William Shatner: Hello.
Sheldon: Captain on the bridge! Captain on the bridge! You're William Shatner.
William Shatner: You can call me Bill.
Sheldon: Ooh, can I call you Captain?
William Shatner: No.
Sheldon: Please?
William Shatner: No.
Sheldon: [whispers] Please?
William Shatner: Sure.
Sheldon: And w-will you call me Science Officer Cooper?
William Shatner: This has got to stop.
Sheldon: I think you know how to make it stop.
William Shatner: Put her there, Science Officer Cooper.