The Valentino Submergence

Sheldon and Amy celebrate Valentine's Day with an episode of "Fun With Flags." Leonard and Penny feel the pangs of aging; Howard and Bernadette are surprised by what they find in their hot tub.

Season 9 | Episode 15
TV-14-DL
PRESENTED BY
Cast

Jim Parsons

Sheldon Cooper

Johnny Galecki

Leonard Hofstadter

Kaley Cuoco

Penny

Simon Helberg

Howard Wolowitz

Kunal Nayyar

Raj Koothrappali