Fun frog facts. There would be no need to put a frog on a respirator even though adult frogs do have lungs. When not moving about a frog gets most of its oxygen exchange through the mucosal lining of its skin and mouth.
Speaking of the frog, Elaine says Nelle "Koufaxed him into a coma". In the 1950s and '60s Sandy Koufax was one of the best pitchers in baseball.
Dyan Cannon used a body double for her nude scene.
The title is a play on the song A World Without Love by Peter and Gordon written by Paul McCartney,