Written by	George Weiss and Bob Thiele
Date	1967
Publisher	Abilene Music Inc. Quartet Music Range Road Music Inc.

What a Wonderful World was sung by Rowlf the Dog to a live dog in episode 201 of The Muppet Show. Near the end of the song, the lyric "I hear babies cry" was appropriately modified to "I hear puppies cry".

A similar segment had Link Hogthrob sing Sonny Boy to a live pig in Episode 215.