Executive producer and writer Dave Goetsch is back this week to discuss “The Luminous Fish Effect,” the episode that marks Laurie Metcalf’s first appearance as Mary Cooper, Sheldon’s mother. Dave recalls the early days of the show, including casting Laurie. He also discusses how he and the writers created Sheldon’s backstory, including the mixed feelings on whether Sheldon should ever date and find love. All episodes of “The Big Bang Theory” are available to stream on Max. © 2025 WBEI. THE BIG BANG THEORY characters and elements are © & TM WBEI. Subscribe now: / @bigbangtheory Stream on MAX https://www.max.com/shows/c8ea8e19-ca... This is the official Big Bang Theory channel! Stay up to date on the funniest, sweetest, and most awkward moments from all 12 seasons! #Funny #TV #Comedy