Original scene: link

D.J. drake is chasing Daffy up some stairs on a scaffolding; the Warner Bros. water tower can be seen in the distance.

Daffy: Don't follow me! [opens some sort of door and runs out]

D.J. ran to Daffy in an attempt to catch him, but when he ran out the door where the anatra has gone, he accidentally fell off a building which was the set of a movie.

Drake: AAAAHHHHHH!!!!!!!!

The director, seeing this, got up from his chair (or whatever it is) and commented: "That's not right! Cut!". Lucky for Drake, he landed on a huge, white airbag.

Daffy: [sitting on a camera, wearing a director's...