[s2e21] The Vegas Renormalization «CONFIRMED»

By the time Leonard returns, Sheldon claims to have a better understanding of "friends with benefits," a concept he learned from Penny, which hilariously confuses Leonard. Fun Facts & Trivia

The UK channel E4 famously skipped this episode in daytime slots for years due to the prostitution storyline. [S2E21] The Vegas Renormalization

His plans are ruined when he realizes he left his keys inside the apartment. With the building manager unavailable, he is forced to seek shelter with Penny. By the time Leonard returns, Sheldon claims to

In (Season 2, Episode 21), the gang splits up for two very different types of "social experimentation" after Leslie Winkle dumps Howard. The Vegas "Jewish Girlfriend Experience" With the building manager unavailable, he is forced

Howard eventually realizes she’s a professional but, instead of being offended, is deeply touched that his friends would do that for him and continues the "experience". Sheldon's "Fortress of Solitude"

Back in Pasadena, Sheldon plans a glorious weekend of being alone, eating Indian food that the others can't have due to allergies or personal distaste (paneer).

Leonard and Raj take a depressed Howard to Las Vegas to help him forget his heartbreak. When Howard refuses to leave his hotel room—spending his time stalking Leslie on Facebook and posting "depressing Twitters"—the guys decide to take drastic measures.