Mavis needs to get the human out of the hotel or Aunt Lydia's going to freak out!

While rifling through the attic, Mavis finds her old Debbie doll.

It's Bad Friday, a special holiday celebrated once every 100 years.

Hank is really not great at basketball, but Mavis has a plan.

The hotel needs bed bugs, but Mavis accidentally puts truth bugs in every room.

Aunt Lydia's high school rival arrives.

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.

Mavis hosts a birthday party for Diane.

The hotel becomes infested with garlic.

Dracula receives an endorsement deal.

Hank learns his thumb is from a famous ancestor.

Hank swaps brains with Sir Isaac Newton, a zombie.

Medusa visits the hotel.

The needle on Lydia's record player is broken, and Klaus claims to know where on is if Mavis teaches him to bat out.

Dr. Gilman has to take a test to prove he's a real doctor.

Mavis wants Krampus to resolve a past mistake so everyone can enjoy Creepmas.

The Sandman puts the hotel under a spell.

Mavis and Uncle Gene go on one last road trip.

Mavis tries to make Quasimodo be nice.

Wendy applies for a spot on the hotel's aerial security team.

Kitty gets sucked into the self-updating book on the history of monsters, which is on display at the hotel; Mavis must travel back in time to find her.

Pedro uses an amulet to be first in line at the buffet.

Pedro and Hank get new roommates because they haven't been getting along.

Mavis' werewolf pals from her old Ghoul Guide troop come to the hotel for a visit.

Frankenstein wants to try serious, dramatic acting.

On her 115th birthday, Mavis must travel to the mysterious and dangerous Fangceañera to earn her Dracula cape by completing three tasks spun on the Wheel of Destiny.