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