Big Bang Theory's Bernadette Returns In Stuart Fails To Save The Universe | Episode 3 Explained

TVLine Senior Editor Ryan Schwartz speaks with Stuart Fails To Save The Universe co-creators Chuck Lorre, Bill Prady, and Zak Penn, and stars Kevin Sussman (Stuart Bloom), Lauren Lapkus (Denise), Brian Posehn (Bert Kibbler), and John Ross Bowie (Barry Kripke) about Episode 3 of the Big Bang Theory spin-off — featuring the returns of Melissa Rauch as Bernadette Rostenkowski and Wil Wheaton as himself. Plus, an update about Jim Parsons' Sheldon Cooper in the magic realm! Spoilers ahead!