Courtney Henggeler as Missy Cooper
Episodes 2
The Pork Chop Indeterminacy
May 5, 2008
• 22m
1x15
The rest of the gang fall for Sheldon's twin sister, and Leonard's plan to win her heart is derailed when Sheldon declares he'll be the one to decide who can date her.
Read MoreThe Bow Tie Asymmetry
Season Finale
May 10, 2018
• 22m
11x24
When Amy's parents and Sheldon's family arrive, everybody is focused to make sure all wedding arrangements go according to plan – everyone except the bride and groom.
Read More