The thing that slept over is the twenty-sixth episode in the first season of Lucky Fred.


Brains investigates a slumber party to find out who has the alien leech.




  • First appearance of Slimetra.
  • First main role for Simone and Slimetra
  • Braianna is dressed as a normal girl and did not changed to any other clothing, during the whole episode.
  • In this episode, it is revealed that the Super Commander has a disguise of his own.
  • Braianna uses the capture vial for the second time, but only bigger than the previous vial in Episode 7.
  • When Braianna takes her laboratory jar and holds it with one hand, it is seen bigger when she holds it with both of her hands.
  • Braianna is the only person that wasn't affected from Fred's enhanced attractiveness.
  • Fred is the only host that was able to resist Slimetra's control.
  • This is the second time that Roberta made an appearance without Robert.


VET List of Episodes
Lucky Fred PilotLucky Fred Pilot 2
Season 1
Boredom BluesPuppy LoveUnready to RumbleMom BotAgent Alpha OneScience UnfairFred's Close ShaveGirlfriends Are a girl's Best friendThe Red ButtonCrushing FridayFake Robot ParentsWeather BoyYou've got Fe-mailBrains Math problemBasket BunnyBottle RacquetThe day the boys stood stillMouse trapKing of the Sewer BearsThe Smelly PrincessThe dung beetleThe Ride Of their livesReturn of the dirt demondsThe New FredCoach DadThe thing that slept overEgghead's RevengeSurprise day offSan Juan NightBraianna BotFriday Gets RecalledFred’s GameBooks and rosesThe Short ReportFred gets crushedDusty rides againMr. PerfectAfternoon OffSquirrel ScareThe Big PictureUnlucky FredLove DeodorantSuper ThomasGelatinaThe Great ConspiracyFloat FaultGiants and BigheadsCorky's PrinceCarrotadeFred Takes a ShotBraianna gets the bootsSnow Trip
Season 2
Brain BoilerCrispy Fred ChickenBaby SittersS2E04S2E05S2E06S2E07S2E08S2E09S2E10S2E11S2E12S2E13S2E14S2E15S2E16S2E17S2E18S2E19S2E20S2E21S2E22S2E23S2E24S2E25S2E26S2E27S2E28S2E29S2E30S2E31S2E32S2E33S2E34S2E35S2E36S2E37S2E38S2E39S2E40S2E41S2E42S2E43S2E44S2E45S2E46S2E47S2E48S2E49S2E50S2E51S2E52
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