Timeline of SpongeBob SquarePants

1990s

 * Employee of the Month (December 31, 1999)

2000s

 * Employee of the Month (January 1, 2000 or August 1, 2001)

2010s

 * Buried in Time (On or after May 1, 2010)
 * SB-129 (March 6, 2017)

2060s

 * Buried in Time (On or after May 1, 2060)

4010s

 * SB-129 (March 6, 4017)