‘The Maternal Capacitance’ with Christine Baranski, AKA Leonard’s Mother Beverly

Captain Sweatpants first appeared on “The Big Bang Theory” in Season 2 and quickly became one of the show’s most recognizable recurring characters. Now, for the first time, he’s opening up about his experience on the series and how a background role turned him into a fan favorite. He shares memories of working alongside the cast, what made the “Big Bang” set so special, and how the other shows he worked on afterward compared to his time at the comic book store. All episodes of “The Big Bang Theory” are available on HBO Max.

“Young Sheldon” star Raegan Revord, aka Missy Cooper, joins executive producer and showrunner Steve Holland and host Jessica Radloff for a deep dive into the “Young Sheldon” Easter eggs hidden throughout “The Big Bang Theory.” Steve reveals how the writers decided which of Sheldon’s childhood memories from “Big Bang” would make their way into “Young Sheldon” — and how they occasionally had to bend those memories to make them work. Plus, Raegan shares what it was like stepping onto the set of “The Big Bang Theory” and the surprising differences between the two shows. All episodes of “The Big Bang Theory” are available on HBO Max.

Season 4 of “The Big Bang Theory” ended with one of the show’s most controversial cliffhangers: Penny and Raj waking up in bed together. Executive producer and showrunner Steve Molaro reveals why he had such strong feelings about the storyline — and how he spent the entire summer hiatus trying to figure out a way to undo it. Plus, Steve explains why he and the writers ultimately decided Raj should remain single at the end of the series. All episodes of “The Big Bang Theory” are available on HBO Max.

The legendary Josh Malina joins Jessica Radloff to look back at his recurring role as Caltech President Siebert, which began in Season 4 and continued through the show’s final season. Josh reveals that he originally auditioned to play Leonard — before quickly learning he was too old for the part — and shares how “Big Bang” co-creator Chuck Lorre promised to find a way to bring him back someday as the guys’ boss. Years later, that promise paid off. Plus, Josh talks about returning to “The Big Bang Theory” after “Scandal” wrapped and why he was so excited to be part of the show’s final season. All episodes of “The Big Bang Theory” are available on HBO Max.

Executive producer and showrunner Steve Holland joins Jessica Radloff to look back at how “The Big Bang Theory” evolved into one of TV’s most memorable ensembles. Steve shares why there was no grand plan heading into Season 4 and reveals the episode when he realized the new seven-person cast had truly clicked. He also recalls how audiences first responded to Bernadette and Amy and why their additions changed the dynamic of the show. Plus, Steve reveals his least favorite episode of the entire series! All episodes of “The Big Bang Theory” are available on HBO Max.