The WORST episodes of Marvel's Moon Girl and Devil Dinosaur

Every episode of Marvel's Moon Girl and Devil Dinosaur ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of Marvel's Moon Girl and Devil Dinosaur!

After 13-year-old super-genius Lunella accidentally brings ten-ton T-Rex, Devil Dinosaur into present-day New York City via a time vortex, the duo works together to protect the city's Lower East Side from danger.

Last Updated: 7/8/2025Network: Disney ChannelStatus: Ended

6.22

9 votes

#1 - Party Girl

Season 2 - Episode 22 - Aired 3/1/2025

When Moon Girl teams up with the amazing super hero, Turbo, she realizes the true cost of keeping up a secret identity.

6.56

9 votes

#2 - A Devil-ish Birthday

Season 2 - Episode 21 - Aired 3/1/2025

When friends and family throw surprise parties for Devil Dinosaur at the same time, his desire to not miss out on any birthday love compels him to clone himself to attend both.

6.58

12 votes

#3 - Lava Actually

Season 2 - Episode 17 - Aired 2/15/2025

When being around the brilliant Hot Tomatoes leaves Pops feeling insecure, he dabbles in an elixir that makes him smart.

6.64

11 votes

#4 - Ride Along

Season 2 - Episode 16 - Aired 2/6/2025

Eager to bond with her dad, Moon Girl takes James on a ride-along.

Watch Now:Apple TV

6.89

9 votes

#5 - Guess Who's Coming to Dinner

Season 2 - Episode 23 - Aired 3/8/2025

Lunella needs time to think about a big opportunity, but her mom invites the Beyonder to dinner to get her to open up.

6.89

9 votes

#6 - Crushed

Season 2 - Episode 20 - Aired 2/22/2025

When Lunella discovers that Eduardo has a crush on her, she creates a fake boyfriend to spare his feelings.

6.90

10 votes

#7 - To Intervention and Beyond-er

Season 2 - Episode 19 - Aired 2/22/2025

Devil Girl instigates a friendship intervention between Moon Girl and The Beyonder, but emotional frustrations push the trickster’s powers to fritz.

6.93

15 votes

#8 - The Devil You Know

Season 2 - Episode 8 - Aired 2/24/2024

When Lunella and Devil Dinosaur spend the weekend apart after a disagreement, Devil Dino gets mixed up with a rag-tag group of ex-super-hero sidekicks.

Watch Now:Apple TV

7.00

12 votes

#9 - Moon Girl, Grounded

Season 2 - Episode 15 - Aired 2/6/2025

Moon Girl gets grounded for a month and is unavailable to fight crime.

7.00

16 votes

#10 - Wish-Tar

Season 2 - Episode 6 - Aired 2/17/2024

When The Beyonder gives an arcade machine the ability to grant wishes, Lunella is pumped to use it.

Watch Now:Apple TV

7.00

16 votes

#11 - In the Heist

Season 2 - Episode 10 - Aired 3/2/2024

Lunella and the S.T.E.M. club pull off a museum heist.

Watch Now:Apple TV

7.00

12 votes

#12 - Full Moon

Season 2 - Episode 18 - Aired 2/15/2025

Adria plans a special mother-daughter bonding day with Lunella.

7.16

25 votes

#13 - Moon Girl's Day Off

Season 1 - Episode 7 - Aired 3/4/2023

When Lunella seemingly gets hurt and is stuck in bed, Casey must step in as Moon Girl for the day.

Watch Now:Apple TV

7.19

16 votes

#14 - Dog Day Mid-Afternoon

Season 2 - Episode 9 - Aired 3/2/2024

Pops and his new canine pal enter a dog show.

Watch Now:Apple TV

7.20

15 votes

#15 - Dancing with Myself

Season 2 - Episode 12 - Aired 3/9/2024

Lunella attends her first school dance.

Watch Now:Apple TV

7.20

25 votes

#16 - Goodnight, Moon Girl

Season 1 - Episode 10 - Aired 3/25/2023

Lunella tries to overcome her awkwardness about fitting in at a slumber party by creating a mind-reading device but accidentally switches brains with Devil Dinosaur.

Watch Now:Amazon Apple TV

7.22

9 votes

#17 - Shoot for the Moon

Season 2 - Episode 24 - Aired 3/8/2025

Moon Girl must make a life-changing decision as she fights her most dangerous villain yet.

Watch Now:Amazon

7.26

19 votes

#18 - Belly of the Beast

Season 2 - Episode 3 - Aired 2/10/2024

When Devil Dinosaur eats a dangerous Moon Girl gadget, Lunella and Casey must shrink themselves to retrieve it.

Watch Now:Amazon Apple TV

7.35

20 votes

#19 - Suit Up!

Season 2 - Episode 2 - Aired 2/2/2024

Lunella tries to juice up her new super suit and goes overboard; she accidentally juices up a dangerous desert scorpion.

Watch Now:Amazon Apple TV

7.35

17 votes

#20 - Kid Kree

Season 2 - Episode 5 - Aired 2/17/2024

Moon Girl’s rivalry with a new teenage super-foe, Kid Kree, threatens her budding friendship with his human alter ego, Marvin.

Watch Now:Amazon Apple TV

7.38

45 votes

#21 - The Borough Bully

Season 1 - Episode 2 - Aired 2/11/2023

When Lunella finds a nasty comment on her Moon Girl social media page, her fixation on the troll threatens to take over her life.

Directors: Trey Buongiorno

Writer: Halima Lucas

Watch Now:Amazon Apple TV

7.39

31 votes

#22 - Check Yourself

Season 1 - Episode 4 - Aired 2/18/2023

When Lunella loses a game of chess against a supercomputer, her obsession with winning drives the frustrated computer to program every device in the school to attack her.

Watch Now:Amazon Apple TV

7.44

16 votes

#23 - Roller Jam!

Season 2 - Episode 11 - Aired 3/9/2024

An old personal feud threatens to ruin Roller Jam.

Watch Now:Amazon Apple TV

7.50

26 votes

#24 - Today, I Am a Woman

Season 1 - Episode 12 - Aired 4/8/2023

Hoping to help Casey have an epic bat mitzvah, Lunella makes an appearance as Moon Girl, which ultimately brings out the worst in Casey and causes a rift in their friendship.

Watch Now:Amazon Apple TV

7.50

62 votes

#25 - Moon Girl Landing

Season 1 - Episode 1 - Aired 2/10/2023

When brilliant, altruistic Lunella Lafayette accidentally brings a dinosaur to the Lower East Side, she finally has the brawn to match her brains and protect her community.

Directors: Christine Lui, Trey Buongiorno

Writer: Jeffrey M. Howard, Kate Kondell

Watch Now:Amazon Apple TV