- Leonard is jealous of Penny's new British guy friend from school. She is working a project with him. Leonard purposefully runs into him and says that Penny's boyfriend is dangerous. Penny gets upset and in the midst of their argument says she loves Leonard. Instead of crying, they each go on with their day.
- Raj and Howard get curious about what Sheldon does each day at 2:45 p.m. They follow him to an empty supply room. They break in and don't find anything suspicious except for the number "43" on the chalk board. They ponder what that could signify. They end up putting a camera in the room to watch Sheldon. They see him create a black hole and come out of it with a creature on his face, meanwhile Sheldon is really standing behind them. They freak out and the joke's on them. Turns out that Sheldon goes in the room to play hacky sack each day with a high number of hits at 43.