On The Big Bang Theory Season 10 Episode 22, Sheldon pushes himself to try new things, and Penny is offered a job from her ex-boyfriend, Zack.
Check out the photos below for a preview of "The Cognition Regeneration," airing Thursday, April 27th at 8/7c on CBS.
Need to catch up on past episodes? You can always watch The Big Bang Theory online right here via TV Fanatic!
Penny Runs into Her Ex - The Big Bang Theory
Penny runs into her ex-boyfriend, Zack, on The Big Bang Theory.
Video Game Night - The Big Bang Theory
The guys get together for one of their favorite activities, playing video games.
Sheldon Loves His Game - The Big Bang Theory Season 10 Episode 22
Sheldon loves his video game, and he's very competitive, as usual.
Girls Night Out - The Big Bang Theory Season 10 Episode 22
Meanwhile, the girls have a night out of their own, which Bernadette definitely deserves.
Cheers, Ladies! - The Big Bang Theory Season 10 Episode 22
Penny, Bernadette, and Amy seem to be enjoying their night out on the town.
Her Boyfriend's Back... - The Big Bang Theory Season 10 Episode 22
Remember Zack? Well, he's back, and after running into Penny, he has an offer for her -- a job.