Sir Lancelot: Sir Lancelot, at your service.
Teddy Roosevelt: Theodore Roosevelt, President of the United States of America.
Sir Lancelot: I have no idea what that means.
When Larry and Nick Daley first enter the British Museum, Nick takes his beanie off twice, in consecutive shots.
When Laa turns to look at Rebel Wilson at the end of the film it's "blue steel" from Zoolander.