

S02E13
The Friendship Algorithm
Aired January 19, 2009
Free, with no ads. Tick off what you watch and see what airs next.
Summary
Sheldon creates a scientific procedure for making friends.
TV Binge Diary
Keep track of The Big Bang Theory
- See what airs next, in your own time zone.
- Tick off episodes and films as you watch.
- Rate them, keep lists, and keep the record. Private by default.
