[s2e21] The Vegas Renormalization -

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"

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

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. When Howard refuses to leave his hotel room—spending

Howard's ringtone is "She Blinded Me with Science," which was the theme song for the show's original, unaired pilot. Fun Facts & Trivia

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