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.
- Denmark: June 30, 2008 on Cartoon Network
Running Gags: 1) Tux keeps making bad decisions.
2) Sonny keeps having problems with the power cord.
3) Yancy getting frustrated over Jimmy's clues that lead to nowhere.
This is the first time we see the cartoons literally in Jimmy's head.