Duration: 22m

TV-PG 7.5 Comedy / Romance

The Big Bang Theory S8E20

Howard meets the half-brother he never knew he had. Penny is invited to appear on Wil Wheaton's podcast.

Release Date: April 9, 2015 (USA)

Creator: Chuck Lorre, Bill Prady

Cast: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Melissa Rauch, Mayim Bialik, Kevin Sussman, Bob Newhart