Ep 15. The Benefactor Factor

In The Big Bang Theory season 4 episode 15, titled "The Benefactor Factor," the gang is excited as they are joined on a research project by a wealthy benefactor, who is interested in their work. However, their excitement is quickly dampened when they discover that the benefactor is someone they all dislike.

Meanwhile, Howard is dealing with relationship issues when his girlfriend Bernadette starts telling him what to do and he doesn't particularly like it. He confides in Raj, who offers some questionable advice, leading to a humorous situation.

Sheldon, on the other hand, is still struggling with the fact that Amy Farrah Fowler has agreed to be his girlfriend only under certain conditions. He tries to convince Amy to change her mind but ends up making things worse.

The episode is full of funny moments, as the gang tries to navigate their professional and personal lives. There are some interesting revelations about the characters and their relationships, and the episode ends on a positive note, with the gang finding a way to work together despite their differences.

Overall, "The Benefactor Factor" is a classic episode of The Big Bang Theory, showcasing the humor and heart that have made the show so popular with audiences around the world. Fans of the series will definitely not want to miss this one.