HOW I MET YOUR MOTHER Season 7 Episode 20 Trilogy Time Sneak Peek : “Trilogy Time” — Ted, Marshall and Barney embark on another “trilogy time,” where they get together every three years to watch the “Star Wars” trilogy and envision what their lives will be like in another three years. Meanwhile Barney and Quinn move in together, on HOW I MET YOUR MOTHER, Monday, April 9 (8:00-8:30 PM, ET/PT) on the CBS Television Network.