• This short did not premiere for almost a whole year after the previous episode did.
  • In this episode, Cosmo plays the role of a "villain".
  • Vicky Khan is an ancestor of Vicky, who is said to have been Genghis Khan's evil babysitter.
  • This is the penultimate of the four episodes that aired after Mary Kay Bergman's death.
  • It is unknown why fairies have to be bad for a day, since there is no reason given.
  • Wanda reveals she caused the extinction of the dinosaurs.
  • When Timmy was faking his voice, he sounded like Mr. Turner.

Running Gags

  • Cosmo being bad.


  • Wanda: Timmy! Wakey wakey!
  • Timmy: Huh, what? What's up!
  • Cosmo: You are, Timmy! Today's a very special day!
  • Timmy: Oh boy! (he jumped out of bed) Is today's the day we send Vicky hurdling into a blackhole?
  • Wanda: No, but we'll get on that. (she poofed up a voice recorder) Note to self: Vicky, blackhole, make it happen!

  • Cosmo: You know how every day, we're nice, sweet, and just so darn cute?
  • Timmy (boredly): Uh-huh.
  • Cosmo: According to the rules, for 1 day every 2,000 years, we get to be BAD!!!
  • Timmy: Cool! I always wanted to be bad for a day! When do we start?

  • Timmy: When do you start being bad, Cosmo.
  • Cosmo: Any second now! (he looked at his watch) 3, 2, 1... 0! (he changed into different parts)

  • Cosmo (while laughing evilly): From this point heds, I'll shall be known only as Cos, uh, mean? Yeah, Cosmean, Ohohohohohoh! Go look in your bathroom!

  • Cosmo: Soap scum! (while laughing evilly) Beware!

  • Cosmo (while crying): I'm so.........NICE!!!! 
  • Timmy: Cheer up, dude! We'll help you get bad!
  • Cosmo: You will?
  • Timmy: Sure, I wish we can beat the baddest dude in history and have HIM give you lessons!
  • Cosmo: Oh, he is bad!

  • Vicky Khan: Not so fast! (she pushed the Mongols out of the way) It's way past your bedtime, mister!
  • Timmy: Who's that?
  • Genghis Khan: My, uh, babysitter, Vicky Khan.
  • Timmy: Wow, Vicky must have a real extended family!

  • Timmy: How do you feel, dude!
  • Cosmo: I am Cosmo Khan!
  • Wanda: Feel any better?
  • Cosmo: I am Cosmo Khan!
  • Timmy: He seems kind of brainless
  • Cosmo: Mindless!
  • Timmy: Mindless

  • Timmy: Well I know the queen of bad ideas!
(Timmy picked up the phone, which dialed Vicky's number. Meanwhile, her phone was ringing while she was eating. She picked up the phone)
  • Vicky: Hello!
  • Timmy: I better disguise my voice. (he cleared his throat. He then proceeded to speak in a deep voice) Good evening. I am conducting a completely random survey. If you could be really bad for one whole day, what would you do?
  • Vicky: Oh, that's easy! (Timmy put the phone on Cosmo's ear) I'd blow up the Earth, haha!
  • Cosmo: Hey, thanks!
  • Vicky: No problem!
(Vicky hanged up)

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