Cheesecake Factory
Sheldon corrects someone’s grammar or fact
Elevator mention
Dungeons & Dragons
Comic book store
Amy talks about her work with monkeys
Soft Kitty
superhero t-shirt
Sheldon sits in “his spot”
Star Trek reference
Howard mentions his mom
Howard tries to flirt awkwardly
FREE
Bazinga!
Sheldon knocks three times before entering
Penny misunderstands a scientific concept
Raj talks about Cinnamon
A whiteboard full of equations is shown
Leonard adjusts his glasses
Nobel Prize is mentioned
Roommate agreement
Bernadette’s high-pitched voice comment
Raj struggles to talk to women
Penny says ?Oh, sweetie?
Video games