Hop, Look and Listen

Hop, Look and Listen is a 1948 Warner Bros. Looney Tunes cartoon directed by Robert McKimson. The short was released on April 17, 1948, and stars Sylvester and Hippety Hopper, in the latter's first appearance.

Plot
Hippety Hopper escapes from a zoo, and when Sylvester first sees him, he believes that the kangaroo is actually a king-size mouse. A bulldog tries to convince the cat that there is no such thing, but when he too sees Hippety Hopper and his mother (who was searching for him), he and Sylvester hitch a ride on the water wagon.

Home media

 * Laserdisc - The Golden Age of Looney Tunes volume 2, side 9: Best Supporting Players
 * DVD – Looney Tunes Super Stars' Sylvester and Hippety Hopper: Marsupial Mayhem