High Quality Content by WIKIPEDIA articles! "Best Day Ever" is a television special episode of SpongeBob SquarePants, airing as part of the fourth season and episode 80A. It first aired in the United States on November 10, 2006 on Nickelodeon. The episode aired after a 24 hour SpongeBob SquarePants marathon that ended with the television premiere of The SpongeBob SquarePants Movie. SpongeBob starts his day looking forward to having fun with his friends, but various things go wrong so he sacrifices his day. Best Day Ever was viewed by 6.7 million viewers. A music CD called SpongeBob SquarePants: The Best Day Ever was released at the same time as this episode. There are special Best Day Ever (A Random Act Of SpongeBob) Shorts that come with Season 4 Volume 2 In Disc #2.