Trick-or-Treat, Mr. Grumpfish! Bubble Guppies : Season 4 Episode 13
TV-Y Nickelodeon 24m
Aired: October 21st, 2016 @ 10:00 AM EST on Nickelodeon
Molly, Gil, and the rest of the Guppies are picking out costumes, trick-or-treating, and turning their classroom into a haunted house. It'll have to be really spooky if they want to scare Mr. Grumpfish.
