Spongebob 20 Year Anniversary. Nickelodeon commemorated spongebob squarepants' 20th anniversary with the premiere of a brand new special “spongebob’s big birthday blowout,” which. Celebrating its 20 th anniversary this year, spongebob squarepants is a comedic touchstone for a generation, spawning 244 episodes and counting, two feature.
The residents of bikini bottom will band together to celebrate spongebob squarepants’ big birthday blowout, the porous protagonist’s 20th anniversary this. Nickelodeon is commemorating 20 years of spongebob squarepants with the “best year ever”—a tribute to one of the most iconic tv series and characters.