|One Stayed Clean|
|Season 03, Episode 01|
|Air Date||September 11, 1999|
|Next||A Genius Among Us|
On class picture day, the kids vow to keep Gus clean as he's never had a class picture of him taken. But can the gang manage to stay clean until the end of the day? When all other kids who've had their pictures taken already are actively trying to get clean kids messy for their pictures?
- Animation/dialogue error: Although Mikey points out to the gang that the fourth graders were getting their picture taken last, the picture day schedule still lists them after the third graders and before the fifth graders.
- Coloring error: At the beginning of this episode, Tracey's dress is blue. Later in the episode, her dress is yellow.
- Coloring error: For most of the episode, Megan's dress is yellow. In the class photo, her dress is blue-green.
- Cornchip Girl is shown to be a kindergartener in this episode, which is never seen in any other episodes.
- This episode is one of the fans' three favorite episodes shown as bonus episodes on the Recess: All Growed Down DVD.
- T.J. is wearing the same outfit he wore at the end of The Experiment.
- The SpongeBob SquarePants episode Picture Day has a plot almost identical to this.
- Gretchen's outfit in this episode is similar to one of the more famous outfits worn by Minnie Mouse, usually in promotional materials.
- This is the first episode when Aria Noelle Curzon voices Cornchip Girl.
- This episode premiered on the thirty-eighth birthday of E.G. Daily, who voiced Captain Sticky.
- This episode was paired up with "Rumor Mill" outside the US.
- This is the first episode written by Bart Jennett.
- This is the only episode where Spinelli is shown with her hair down.
- This is the second time T.J. is shown in his "formal" outfit; the first being in "The Experiment".
- This is the first time Mikey is shown in his "formal" outfit; he will wear it again in "The Biggest Trouble Ever".
- This is the second time the Ashleys are shown in their "formal" outfits; the first being in "The Beauty Contest".
- T.J. Detweiler - Andrew Lawrence
- Vince LaSalle - Rickey D'Shon Collins
- Ashley Spinelli - Pamela Segall-Adlon
- Gretchen Grundler/Kid #2 - Ashley Johnson
- Mikey Blumberg/Tubby - Jason Davis
- Gus Griswald - Courtland Mead
- Miss Finster - April Winchell
- Miss Grotke - Allyce Beasley
- Randall Weems - Ryan O'Donohue
- Captain Sticky/Kid #1/Kid #3/Kid #5 - E.G. Daily
- Ashley Armbruster - Anndi McAfee
- Ashley Boulet/Kid #4 - Francesca Smith
- Earwin Lawson - Erik von Detten
- Cornchip Girl - Aria Noelle Curzon
- Gus's Dad - Sam McMurray
- Photographer/Soldier - Gregg Berger