The characters who were involved in the body-switching did not keep their normal voices after they switched bodies with one another. Instead, we can tell who is who by what the characters say and their actions.
Blake Michael from the Cartoon Network block "Fried Dynamite" stars in this episode.
In this episode, we learn Jimmy's mom and dad were adopted.
It is found out in this episode (via flashback) what Jimmy and Yancy looked like as young kids and what Mr. Roberts looked like as a younger man.
It's learned that before this episode, Robin had never chewed gum before in her life.
It's learned in this episode that Yancy uses anti-gravity hair gel for her hair while Jimmy uses it to keep his safe which holds scrapbook out of Robin's view by making it levitate.
The phone on the chief's desk is a Nortel M7324.
Apparently Craig can make boot-leg soda.
A running gag in this episode is that the plans that people make keep backfiring on them.
All the kids in school including Jimmy's dad fear C. Kingsley.
The C in C. Kingsley Weatherhead stands for Chester.
We learn Jimmy has Claustrophobia. (Fear of small room.)
We learn Crocco loves Egg Salad and both Jimmy and Robin hate said food.
It's learned in this episode that Jimmy has an A- average while Robin is the Perfect student in every subject she takes!
This marks the first time since Re-Animated, that Jimmy has become a cartoon, but the animation style is a little different.
When the first game was over, the final score was 250 to negative 17.
During the food fight, when someone throws something at Dolly's dress, her dress rips.
First appearance of Tux's penguin girlfriend Thelma, and first appearance of Yancy's werewolf boyfriend Mike.
We learn Louisa is Jimmy's Mom's first name.
We learn in this episode that Out of Jimmy's Head takes place in the Tri-Burbank area in California.