THE BIG BANG THEORY Season 11 Episode 13 Photos The Solo Oscillation

“The Solo Oscillation” – When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon’s mother, Mary. THE BIG BANG THEORY Season 11 Episode 13 Photos The Solo Oscillation

REGULAR CAST:

Johnny Galecki

(Leonard)

Jim Parsons

(Sheldon)

Kaley Cuoco

(Penny)

Simon Helberg

(Wolowitz)

Kunal Nayyar

(Koothrappali)

Mayim Bialik

(Amy)

Melissa Rauch

(Bernadette)

RECURRING CAST:

Laurie Metcalf

(Mary)

Brian Posehn

(Bert)

Pamela Adlon

(Halley, O.S)

STORY BY: Chuck Lorre & Steve Holland & Anthony Del Broccolo

TELEPLAY BY: Eric Kaplan & Maria Ferrari & Jeremy Howe

DIRECTED BY: Mark Cendrowski

THE BIG BANG THEORY Season 11 Episode 13 Photos The Solo Oscillation

"The Solo Oscillation" -- Pictured: Leonard Hofstadter (Johnny Galecki) and Amy Farrah Fowler (Mayim Bialik). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon's mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.
“The Solo Oscillation” — Pictured: Leonard Hofstadter (Johnny Galecki) and Amy Farrah Fowler (Mayim Bialik). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon’s mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.
"The Solo Oscillation" -- Pictured: Sheldon Cooper (Jim Parsons). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon's mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.
“The Solo Oscillation” — Pictured: Sheldon Cooper (Jim Parsons). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon’s mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.
"The Solo Oscillation" -- Pictured: Sheldon Cooper (Jim Parsons). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon's mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.
“The Solo Oscillation” — Pictured: Sheldon Cooper (Jim Parsons). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon’s mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.
"The Solo Oscillation" -- Pictured: Mary (Laurie Metcalf). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon's mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.
“The Solo Oscillation” — Pictured: Mary (Laurie Metcalf). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon’s mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.
"The Solo Oscillation" -- Pictured: Amy Farrah Fowler (Mayim Bialik), Sheldon Cooper (Jim Parsons) and Leonard Hofstadter (Johnny Galecki). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon's mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.
“The Solo Oscillation” — Pictured: Amy Farrah Fowler (Mayim Bialik), Sheldon Cooper (Jim Parsons) and Leonard Hofstadter (Johnny Galecki). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon’s mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.
"The Solo Oscillation" -- Pictured: Rajesh Koothrappali (Kunal Nayyar) and Penny (Kaley Cuoco). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon's mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.
“The Solo Oscillation” — Pictured: Rajesh Koothrappali (Kunal Nayyar) and Penny (Kaley Cuoco). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon’s mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.
"The Solo Oscillation" -- Pictured: Penny (Kaley Cuoco). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon's mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.
“The Solo Oscillation” — Pictured: Penny (Kaley Cuoco). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon’s mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.
"The Solo Oscillation" -- Pictured: Amy Farrah Fowler (Mayim Bialik) and Sheldon Cooper (Jim Parsons). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon's mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.
“The Solo Oscillation” — Pictured: Amy Farrah Fowler (Mayim Bialik) and Sheldon Cooper (Jim Parsons). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon’s mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.
"The Solo Oscillation" -- Pictured: Leonard Hofstadter (Johnny Galecki). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon's mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.
“The Solo Oscillation” — Pictured: Leonard Hofstadter (Johnny Galecki). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon’s mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.
"The Solo Oscillation" -- Pictured: Amy Farrah Fowler (Mayim Bialik) and Sheldon Cooper (Jim Parsons). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon's mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.
“The Solo Oscillation” — Pictured: Amy Farrah Fowler (Mayim Bialik) and Sheldon Cooper (Jim Parsons). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon’s mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.
"The Solo Oscillation" -- Pictured: Sheldon Cooper (Jim Parsons) and Amy Farrah Fowler (Mayim Bialik). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon's mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.
“The Solo Oscillation” — Pictured: Sheldon Cooper (Jim Parsons) and Amy Farrah Fowler (Mayim Bialik). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon’s mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.
"The Solo Oscillation" -- Pictured: Rajesh Koothrappali (Kunal Nayyar) and Howard Wolowitz (Simon Helberg). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon's mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.
“The Solo Oscillation” — Pictured: Rajesh Koothrappali (Kunal Nayyar) and Howard Wolowitz (Simon Helberg). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon’s mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.
"The Solo Oscillation" -- Pictured: Penny (Kaley Cuoco) and Sheldon Cooper (Jim Parsons). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon's mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.
“The Solo Oscillation” — Pictured: Penny (Kaley Cuoco) and Sheldon Cooper (Jim Parsons). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon’s mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.
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“The Solo Oscillation” — Pictured: Penny (Kaley Cuoco) and Sheldon Cooper (Jim Parsons). When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration, on THE BIG BANG THEORY, Thursday, Jan. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon’s mother, Mary. Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2017 WBEI. All rights reserved.