For the book(s) I have to go with the stereotypical whale choice, but not the monologue where he's naming things on his way to meet his new friend Ground. The description of the crater afterward had me laughing so hard the first time I read it I could hardly stand it. Of course I was about 11 at the time.
For the movie, it was hands down the first interaction with the infinite improbability drive.
Arthur: "Ford..."
Ford : "...yes..."
Arthur: "I think I'm a sofa."
Ford : "...I know how you feel."
Arthur and Ford: "........AHHHHH!!"
For the movie, it was hands down the first interaction with the infinite improbability drive.
Arthur: "Ford..."
Ford : "...yes..."
Arthur: "I think I'm a sofa."
Ford : "...I know how you feel."
Arthur and Ford: "........AHHHHH!!"