Anniversary Celebrations

If a special anniversary thing happens relating to SpongeBob, such as the show turning 19 years old (May 1st 2018) and Season 10 becoming 2 years old (October 15th 2018) as examples. Post it here, though, you can also mention upcoming ones if you wish. It can be for anything, as long as it relates to SpongeBob.

Season premieres
February 19- Season 5 (11)
March 3- Season 6 (10)
March 26- Season 8 (7)
May 1- Season 1 (19)
May 6- Season 4 (13)
June 24- Season 11 (1)
July 19- Season 7 (9)
July 21- Season 9 (6)
October 5- Season 3 (17)
October 15- Season 10 (2)
October 26- Season 2 (18)

Movies
February 6- Sponge outta Water (3)
November 19- 2004 Movie (14)

Notable episodes
January 2- A Pal for Gary (8)
February 20- Dunces and Dragons (12)
May 10- Krusty Krab Training Video (16)
June 2- The Splinter (10)
July 16- Lost in Bikini Bottom (3)
September 7- Band Geeks (17)
October 8- Hello Bikini Bottom! (6)
November 23- The Two Faces of Squidward (11)
December 31- SB-129 (19)