Countdown to the series finale: 23 days

Clothing from The Friendship Algorithm

The Friendship Algorithm

The Friendship Algorithm
Season 2, Episode 13 - Aired January 19, 2009

When Sheldon wants to use the university's grid computer, he decides to befriend the guy who controls access. Not well versed in the art of making friends, Sheldon develops a friendship algorithm to win over Kripke.

 Most of the product links on this section of the site are affiliate links. That means this site will receive commission for any purchases made through these links.