The Big Bang Theory

E4 Extra

Friday 19 December 2025  20:30 - 21:00 (30 mins)
The Staircase Implementation: Leonard tells Penny about how he and Sheldon became friends, and the origins of the roommate agreement. (S3 Ep22) [AD,S]

The Big Bang Theory may be available on playback or on Prime Video (affiliate link)
The Big Bang Theory (E4 Extra) Friday 19 December 2025 20:30 - 21:00