4 of 23
'The Big Bang Theory'
In "The Large Hadron Collision," Leonard gets a chance to go to Switzerland and he wants to take Penny because it coincides with Valentine's Day. Naturally, Sheldon is upset, but when Penny gets Sheldon sick, the two of them spend V-Day together and Leonard takes Raj to the romantic chalet in Switzerland. Raj declares it the best Valentine's Day ever.