R2-D2 Quotes in Star Wars: Episode III - Revenge of the Sith (2005)

[a large part of Greivous's ship breaks away]

R2-D2: [beeps] Uh-oh.

Anakin Skywalker: We lost something.

Obi-Wan: Not to worry. We're still flying half a ship.

[while the Falcon is fleeing from Imperial fighters, and R2-D2 is stitching C-3PO back together]

C-3PO: Noisy brute. Why don't we just go to lightspeed?

R2-D2: [beeps]

C-3PO: We can't? How would you know the hyperdrive is deactivated?

R2-D2: [beeps]

C-3PO: The City's central computer told you? R2-D2, you know better than to trust a strange computer.

[R2's welding arm shocks his ankle]

C-3PO: Ouch! Pay attention to what you're doing!

[C-3PO and R2-D2 are first seen walking in the underground base on Ice Planet Hoth]

C-3PO: I didn't ask you to turn on the thermal heater. I merely commented that it was freezing in the princess's chamber...

R2-D2: [Chirps his objection]

C-3PO: But it's SUPPOSED to be freezing! How we are ever going to dry out her clothes, I really don't know!