Leonard learns the truth about why his mother came to visit on The Big Bang Theory. "The Maternal Conclusion" is the 22nd episode of the show's 12th season.
With Wolowitz in charge, Sheldon and the gang experiment on the kids on The Big Bang Theory. "The Conference Valuation" is the 17th episode of the show's 12th season.
Amy and Sheldon are devastated by what they read in a Russian newspaper on The Big Bang Theory. "The Citation Negation" is the ninth episode of the show's 12th season.
Amy and Sheldon try to figure out what the supposedly "perfect gift" was that Leonard and Penny gave them on The Big Bang Theory. "The Wedding Gift Wormhole" is the second episode of the show's 12th season.
Sheldon and Amy worry about the future as their honeymoon plans start to fall apart on the season premiere of The Big Bang Theory. "The Conjugal Configuration" is the first episode of the show's 12th season.
Amy and Sheldon may end up having their own plan for their wedding on The Big Bang Theory. "The Bow Tie Asymmetry" is the 24th episode of the show's 11th season.
Sheldon: I'll have a diet Coke. Penny: Can you please order a cocktail? I need to practice mixing drinks. Sheldon: Fine... I'll have a virgin Cuba Libre. Penny: That's... rum and Coke without the rum. Sheldon: Yes, and would you make it diet?