Monsters vs. Aliens

The BEST episodes of Monsters vs. Aliens

Every episode ever - ranked by fan votes!

Inspired by DreamWorks Animation's 2009 blockbuster feature film, this new series follows the further adventures of the beloved monsters- B.O.B., the gelatinous blob without a brain; Link, the prehistoric fish-man; Dr. Cockroach, the half-man/half-insect mad scientist; and Susan (aka Ginormica), the incredible growing woman-as they learn to adapt to a new world filled with bizarre aliens.

Last Updated: 3/14/2022Network: Nickelodeon
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The Time-Out That Wouldn't End
star
9.66
41 votes

#1 - The Time-Out That Wouldn't End

Season 1 - Episode 24 - Aired 10/12/2013

Sqweep makes a mess and is punished by Monger, who later commits the same crime.

Directors: Jim Schumann
Watch Now:Amazon
The Two Faces of Dr. Cockroach
star
9.53
43 votes

#2 - The Two Faces of Dr. Cockroach

Season 1 - Episode 12 - Aired 5/18/2013

Dr. Cockroach's new invention splits him into two, and the monsters try to make him whole again.

Directors: Sunil Hall
Watch Now:AmazoniTunes
Flipped Out
star
9.51
78 votes

#3 - Flipped Out

Season 1 - Episode 10 - Aired 5/11/2013

B.O.B. is tempted to flip a secret switch.

Directors: Eddie Trigueros
Watch Now:AmazoniTunes
It Got Out of Hand
star
9.50
46 votes

#4 - It Got Out of Hand

Season 1 - Episode 19 - Aired 9/28/2013

Pranks abound on the base on April Fools' Day.

Watch Now:Amazon
The Sound of Fear
star
9.48
46 votes

#5 - The Sound of Fear

Season 1 - Episode 20 - Aired 9/28/2013

Dr. Cockroach's transcript reveals he's missing a grade for a music class.

Watch Now:Amazon
It Came From Level Z
star
9.43
42 votes

#6 - It Came From Level Z

Season 1 - Episode 26 - Aired 10/19/2013

The monsters are ordered to clean up the rec room, so they recruit an old zombie to assist them.

Directors: Sunil Hall
Watch Now:Amazon
Screaming Your Calls
star
9.39
44 votes

#7 - Screaming Your Calls

Season 1 - Episode 23 - Aired 10/12/2013

A living smart phone is created by Dr. Cockroach, and Coverton wants to use it to access the base's mainframe.

Directors: Sunil Hall
Watch Now:Amazon
Speak Not the Q Word
star
9.38
47 votes

#8 - Speak Not the Q Word

Season 1 - Episode 22 - Aired 10/5/2013

Coverton has a sly plan to put bad words in B.O.B.'s vocabulary.

Directors: Sunil Hall
Watch Now:Amazon
Curse of the Man-Beast
star
9.37
43 votes

#9 - Curse of the Man-Beast

Season 1 - Episode 25 - Aired 10/19/2013

Monger's secret files are uncovered, revealing details of an absent Man-Beast.

Directors: Sunil Hall
Watch Now:Amazon
Attack of the Movie Night
star
9.24
42 votes

#10 - Attack of the Movie Night

Season 1 - Episode 15 - Aired 6/15/2013

A memory extractor is created to combat nightmares spawned from scary movie night, but soon the extracted memories come to life.

Directors: Jim Schumann
Watch Now:Amazon
Driven to Madness
star
9.22
9 votes

#11 - Driven to Madness

Season 1 - Episode 29 - Aired 11/2/2013

Link and Sta'abi duel for driving privileges of a new car.

Directors: Matt Engstrom
Watch Now:Amazon
When Nature Shrieks
star
9.22
46 votes

#12 - When Nature Shrieks

Season 1 - Episode 17 - Aired 6/29/2013

The gang go camping, which turns into a terrifying outing.

Directors: Sunil Hall
Watch Now:Amazon
The Wormhole Has Turned
star
9.21
47 votes

#13 - The Wormhole Has Turned

Season 1 - Episode 11 - Aired 5/11/2013

Dr. Cockroach creates a wormhole and tries to pretend that it's a teleportation device.

Directors: Eddie Trigueros
Watch Now:AmazoniTunes
Night of the Living Dog
star
9.16
55 votes

#14 - Night of the Living Dog

Season 1 - Episode 14 - Aired 6/8/2013

A device is made to transform B.O.B. into a perfect pet, and it works on everyone—except B.O.B.

Directors: Matt Engstrom
Watch Now:Amazon
The Beast From 20,000 Gallons
star
9.00
2 votes

#15 - The Beast From 20,000 Gallons

Season 1 - Episode 30 - Aired 11/2/2013

When an asteroid is detected heading for Earth, Team Alien is put in charge of the rocket being sent to destroy it. Meanwhile, Dr. C sends B.O.B. to play hide and seek. Unfortunately, he winds up hiding in the fuel being used to power the rocket, and Team Monster must rescue B.O.B. and alter the rocket's trajectory so it'll actually hit its target.

Directors: Sunil Hall
Prisoner of the Dark Dimension
star
9.00
5 votes

#16 - Prisoner of the Dark Dimension

Season 1 - Episode 32 - Aired 11/9/2013

Vornicarn's bad behavior lands him in the Isolation Zone.

Directors: Sunil Hall
Watch Now:Amazon
The Partymobile That Invaded Earth
star
9.00
4 votes

#17 - The Partymobile That Invaded Earth

Season 1 - Episode 36 - Aired 11/23/2013

Link and Bob fix up an old spaceship and take it for a joyride.

Watch Now:Amazon
That Which Cannot Be Unseen
star
9.00
5 votes

#18 - That Which Cannot Be Unseen

Season 1 - Episode 48 - Aired 2/1/2014

After seeing something horrifying in Coverton's room, Team Monster must submit to memory wipes.

Directors: Fred Osmond
Watch Now:Amazon
Number Seven!
star
8.89
9 votes

#19 - Number Seven!

Season 1 - Episode 27 - Aired 10/26/2013

Sqweep has to go "number seven."

Directors: Matt Engstrom
Watch Now:Amazon
The Thing With One Brain
star
8.87
107 votes

#20 - The Thing With One Brain

Season 1 - Episode 13 - Aired 5/1/2013

Dr. Cockroach creates a brain for B.O.B., and Coverton makes an adjustment to it by adding an evil switch to it.

Directors: Matt Engstrom
Watch Now:AmazoniTunes
Destroy Chickie D!
star
8.75
4 votes

#21 - Destroy Chickie D!

Season 1 - Episode 34 - Aired 11/16/2013

Sta'abi is summoned to embark on her Warrior Vision Quest.

Directors: Sunil Hall
Watch Now:Amazon
Debtor Alive!
star
8.75
4 votes

#22 - Debtor Alive!

Season 1 - Episode 43 - Aired 1/18/2014

The monsters begin to borrow from Sqweep's allowance.

Directors: Sunil Hall
Watch Now:Amazon
The Sneezing Horror
star
8.67
3 votes

#23 - The Sneezing Horror

Season 1 - Episode 31 - Aired 11/9/2013

Coverton tries to steal base secrets when everyone gets the alien flu.

Directors: Matt Engstrom
Watch Now:Amazon
Race to the End...Zone!
star
8.67
3 votes

#24 - Race to the End...Zone!

Season 1 - Episode 46 - Aired 1/25/2014

Link is disappointed when he can not play in the government football game.

Directors: Matt Engstrom
Watch Now:Amazon
The Mystery of Dr. Cutter
star
8.60
5 votes

#25 - The Mystery of Dr. Cutter

Season 1 - Episode 35 - Aired 11/23/2013

Dr. Cutter arrives to update the base's technology.

Directors: Matt Engstrom
Watch Now:Amazon