The Watson concludes tonight with its series finale, WATSON Season 2 Episode 20 “The Cobalt Fissure,” as a shocking murder sets the stage for a dangerous confrontation tied to Watson and Sherlock Holmes’ past, airing Sunday, May 3 (9:59–11:00 PM, ET/PT) on the CBS Television Network, and streaming on Paramount+ (live and on-demand for Paramount+ Premium plan subscribers, or on-demand for Paramount+ Essential subscribers the day after the episode airs).
Episode 20 “The Cobalt Fissure” – Details
A seemingly random murder outside of UHOP quickly escalates into something far more significant, leading to the arrival of a figure from Watson and Sherlock Holmes’ past. As the mystery deepens, the case becomes intensely personal, setting up a dramatic and high-stakes conclusion to the series.
With long-standing connections resurfacing and tensions reaching a breaking point, the finale promises to deliver a powerful and unforgettable ending.
Previous Episode
Before tonight’s series finale, revisit Watson Season 2 Episode 19, “Rule of Three,” where life-threatening medical crises and shocking revelations—including the return of a familiar face from Watson’s past—set the stage for the final chapter.
👉 https://seat42f.com/watson-season-2-episode-19-photos-rule-of-three/
CBS Sunday Night Lineup
Sunday nights on CBS deliver a full night of drama, culminating with the series finale of Watson in the 10 PM hour.
Looking for more CBS coverage?
Tune-In Details
“The Cobalt Fissure” airs Sunday, May 3 (9:59–11:00 PM, ET/PT) on CBS, and will be available to stream on Paramount+ following its broadcast.
Credits
- Written By: Rebecca Hofherr and Sharon Moalem
- Directed By: Larry Teng
Eddie Izzard guest stars as Sebastian Moran.
WANT MORE WATSON PHOTOS & UPDATES?
Explore all episode galleries, previews, and coverage for the series here: https://seat42f.com/tag/watson/
SERIES CAST
- Morris Chestnut as Dr. John Watson
- Eve Harlow as Dr. Ingrid Derian
- Peter Mark Kendall as Dr. Stephens Croft / Dr. Adam Croft
- Ritchie Coster as Shinwell Johnson
- Inga Schlingmann as Dr. Sasha Lubbock
- Rochelle Aytes as Dr. Mary Morstan
Final Thoughts
As the series comes to an end, “The Cobalt Fissure” brings everything full circle with a case that ties directly to Watson’s past. With new revelations and familiar faces returning, the finale looks to deliver a satisfying and emotional conclusion.
Scroll down to see all the photos from WATSON Season 2 Episode 20 “The Cobalt Fissure” and get a first look at the series finale’s high-stakes mystery
WATSON Season 2 Episode 20 Photos Series Finale “The Cobalt Fissure”
Editor-in-Chief | Seat42F, a leading source of entertainment news, information, television and movie resources.
