![The Big Bang Theory: Season 12; Sean Astin and Kal Penn to Guest - canceled + renewed TV shows - TV Series Finale The Big Bang Theory: Season 12; Sean Astin and Kal Penn to Guest - canceled + renewed TV shows - TV Series Finale](https://tvseriesfinale.com/wp-content/uploads/2019/01/sean-astin-kal-penn-big-bang-theory.jpg)
The Big Bang Theory: Season 12; Sean Astin and Kal Penn to Guest - canceled + renewed TV shows - TV Series Finale
![Kal Penn on Twitter: "For years, people have been telling me I'm really funny on The Big Bang Theory. This Thursday, I'll finally be on an episode! Tune in ππ½ https://t.co/rC78S9VWJu" / Kal Penn on Twitter: "For years, people have been telling me I'm really funny on The Big Bang Theory. This Thursday, I'll finally be on an episode! Tune in ππ½ https://t.co/rC78S9VWJu" /](https://pbs.twimg.com/media/Dw5OEr_UcAAg3Qj.jpg)
Kal Penn on Twitter: "For years, people have been telling me I'm really funny on The Big Bang Theory. This Thursday, I'll finally be on an episode! Tune in ππ½ https://t.co/rC78S9VWJu" /
![Big Bang Theory: Who did Designated Survivor star Kal Penn play in the series? | TV & Radio | Showbiz & TV | Express.co.uk Big Bang Theory: Who did Designated Survivor star Kal Penn play in the series? | TV & Radio | Showbiz & TV | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/20/590x/secondary/Dr-Campbell-The-Big-Bang-Theory-Kal-Penn-2262837.jpg?r=1579204721868)