Frankie tries her hand at standup at the urging of Paige and in a strange turn of events, the best friends end up in a roast battle against one another.
Paige and Frankie's plans to kick Principal Karen out of Bizaardvark are derailed when Liam invites her to be a temporary chaperone for the Vuuugle Beach house.
When the gang forgets to buy candy for the trick-or-treaters, they each take turns telling scary Halloween stories to make the kids forget about candy.
Amelia wants to spend more time with her little sister Willow, but quickly realizes they have nothing in common. Meanwhile, Frankie tries to convince Bernie she would be the perfect 'house villain' for his new channel.