The time card, officially designated as Time Card #143 in many fan archives, is a iconic visual gag from SpongeBob SquarePants used to indicate the passage of time. Origin and Use

It uses the iconic Spongeboy TT1 font (or its variants like "Krabby Patty"), originally designed by Hillenburg.

While "3 Hours Later" is a recurring phrase in the series, this specific numbered version is most frequently associated with the Season 10 episode (aired June 17, 2017). In the episode, it marks a transition during Squidward's attempts to make his art more "valuable". Key Features