The Secret Box SpongeBob SquarePants : Season 2 Episode 25
TV-Y7 Nickelodeon 23m
Aired: September 7th, 2001 @ 5:00 PM EST on Nickelodeon
Patrick keeps a small box everywhere he goes, and refuses to tell SpongeBob what's in it. Curiosity eventually gets the better of our spongy hero, as he decides to try and sneak a peek while Patrick is sleeping.
