Mavis accidentally lures an unwelcome guest into the hotel.

Mavis finds her childhood toy, Demented Debbie, in the attic.

The monsters celebrate Bad Friday by trying to win the Screamie for the best scare.

Mavis gives Hank the gift of basketball.

While doing her chores around the hotel, Mavis mistakes truth bugs for bed bugs.

Mavis invites Lydia's high school rival to the hotel.

The kids get trapped in a human house.

Mavis' cousin shows up and challenges her to a game of phlegm ball.

Mavis accidentally turns Wendy into a ginormous, blobby version of her little self.

Mavis' teen crush, Jett Black, visits the hotel.

Mavis tries to prove she can care for a living creature by rescuing a "bad egg".

The kids try to watch the last episode of their favorite show, Hotel Pennsylvania.

Mavis wins employee of the month and the right to share breakfast with Aunt Lydia.

Dr. Gillman saves Wendy's ponytail and now she's indebted to him.

Hank has to pretend to be his dad as he films his new action flick.

Mavis and Wendy set up Aunt Lydia and Bob Blob on a date.

Pedro desperately tries to throw a curse.

Mavis loses a casket with Aunt Lydia resting inside.

Aunt Lydia's favorite author is coming to the hotel, but the kids cleaned the room so fast they accidentally got rid of the real ghost writer.

The kids clean a room so fast they accidentally get rid of a ghost writer.

Mavis accidentally destroys Pedro's mummy wraps.

Mavis is driven mad thinking she's morphing into her cousin Klaus.

Aunt Lydia is accidentally turned into a teen.

Pedro's mom visits the hotel.

Mavis learns the true meaning of Halloween.