Spongebob Squarepants

Season 1

May 1, 1999

The first season of SpongeBob aired on May 1, 1999. This season had 20 episodes

Season 2

Oct 26, 2000

Second season aired October 26th, 2000. This season had 20 episodes.

Season 3

Oct 5, 2001

Third season aired October 5th, 2001.

Season 4

May 6, 2005

Fourth season was May 6th, 2005.

Season 5

Feb 19, 2007

Fifth season aired February 19, 2007.