Spongebob Squarepants 30th Anniversary. Spinnaker celebrates spongebob’s 25th anniversary with a collection of colourful character watches jamie weiss. The main show will end around season 16, close to or in 2029, for the 30th anniversary.

Spongebob squarepants first aired as a preview after nickelodeon’s kids’ choice awards on may 1,. July 14, 2016 9:55 p.m.