Had to start out with a Princess Bride quote.  Miracle Max calls this out as Inigo, Fezzig and dead Wesley set out to interrupt Humperdink's wedding.

"Have fun storming the castle!"

Nigel Tufnel explains what makes these amps special.

"These go to 11."

Clousseau asks this just before the dog snaps at him.

Robin Williams in his Scottish senior citizen drag.

Elwood says this more than once in the movie.

Sherri Ann Cabot (played by Jennifer Coolidge) discussing how much she has in common with her wealthy octogenarian husband.

The first soldier with a keen interest in birds asks this of King Arthur.

Edna tell Mr Incredible this when he comes to her to repair his supersuit.

Tommy says this to Alexander Dane (the Spock character of this Star Trek parody).

Senor Flan, the leader of the mariachi owls, explains what's in store for Rango.

Ramon upbraids the Emperor penguin nation over how they've treated Mumbles.  (Another great Robin Williams voiceover.)

Yet another Robin Williams moment, this time as Armand Goldman, owner of a gay nightclub in South Beach.

To Wong Fu, Thanks For Everything, Julie Newmar

Ferris breaks the fourth wall to deliver this descriptive phrase to the audience.

Russell is indeed very high as he prepares to leap off the roof of a garage into a swimming pool.

Agent K says this to Beatrice when trying to investigate the Bug's landing site.

Delmar theorizes why they find a frog in Pete's empty clothes.

Alan Swan panics when he discovers they'll be performing live on television.

Fozzie committing some random self-reflexion.

Dr Evil grilling Number Two over his mutated sea bass since sharks weren't available.

Not always famous, but hopefully fun.  And just to be clear, the quotes aren't necessarily from sequels... the quiz *is* the sequel.