The BEST Episodes of Monsters vs. Aliens

Every episode ever - ranked by fan votes!

Last Updated: Jun 13, 2020

Network: Nickelodeon

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.

The Time-Out That Wouldn't End

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

Season 1 - Episode 24 - Aired Oct 12, 2013

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

star 9.66
41 votes
Directors: Jim Schumann
Writers: Gabriel Garza
The Two Faces of Dr. Cockroach

#2 - The Two Faces of Dr. Cockroach

Season 1 - Episode 12 - Aired May 18, 2013

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

star 9.60
42 votes
Directors: Sunil Hall
Writers: Eddie Guzelian
Flipped Out

#3 - Flipped Out

Season 1 - Episode 10 - Aired May 11, 2013

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

star 9.55
77 votes
Directors: Eddie Trigueros
Writers: Brandon Sawyer
It Got Out of Hand

#4 - It Got Out of Hand

Season 1 - Episode 19 - Aired Sep 28, 2013

Pranks abound on the base on April Fools' Day.

star 9.50
46 votes
Writers: David Tischman
The Sound of Fear

#5 - The Sound of Fear

Season 1 - Episode 20 - Aired Sep 28, 2013

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

star 9.48
46 votes
Writers: John Behnke
It Came From Level Z

#6 - It Came From Level Z

Season 1 - Episode 26 - Aired Oct 19, 2013

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

star 9.43
42 votes
Directors: Sunil Hall
Writers: John Behnke
Screaming Your Calls

#7 - Screaming Your Calls

Season 1 - Episode 23 - Aired Oct 12, 2013

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

star 9.39
44 votes
Directors: Sunil Hall
Writers: Bill Motz, Bob Roth
Speak Not the Q Word

#8 - Speak Not the Q Word

Season 1 - Episode 22 - Aired Oct 5, 2013

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

star 9.38
47 votes
Directors: Sunil Hall
Writers: Brandon Sawyer
Curse of the Man-Beast

#9 - Curse of the Man-Beast

Season 1 - Episode 25 - Aired Oct 19, 2013

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

star 9.37
43 votes
Directors: Sunil Hall
Writers: Brandon Sawyer
Attack of the Movie Night

#10 - Attack of the Movie Night

Season 1 - Episode 15 - Aired Jun 15, 2013

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

star 9.32
41 votes
Directors: Jim Schumann
Writers: Gabriel Garza
The Wormhole Has Turned

#11 - The Wormhole Has Turned

Season 1 - Episode 11 - Aired May 11, 2013

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

star 9.26
46 votes
Directors: Eddie Trigueros
Writers: Brandon Sawyer
Night of the Living Dog

#12 - Night of the Living Dog

Season 1 - Episode 14 - Aired Jun 8, 2013

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

star 9.22
54 votes
Directors: Matt Engstrom
Writers: Todd Garfield
Driven to Madness

#13 - Driven to Madness

Season 1 - Episode 29 - Aired Nov 2, 2013

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

star 9.22
9 votes
Directors: Matt Engstrom
Writers: Bill Motz, Bob Roth
When Nature Shrieks

#14 - When Nature Shrieks

Season 1 - Episode 17 - Aired Jun 29, 2013

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

star 9.22
46 votes
Directors: Sunil Hall
Writers: John Behnke
Prisoner of the Dark Dimension

#15 - Prisoner of the Dark Dimension

Season 1 - Episode 32 - Aired Nov 9, 2013

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

star 9.00
5 votes
Directors: Sunil Hall
Writers: John Behnke
That Which Cannot Be Unseen

#16 - That Which Cannot Be Unseen

Season 1 - Episode 48 - Aired Feb 1, 2014

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

star 9.00
5 votes
Directors: Fred Osmond
Writers: Bill Motz, Bob Roth
The Thing With One Brain

#17 - The Thing With One Brain

Season 1 - Episode 13 - Aired May 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.

star 8.92
105 votes
Directors: Matt Engstrom
Writers: Mark Palmer
Number Seven!

#18 - Number Seven!

Season 1 - Episode 27 - Aired Oct 26, 2013

Sqweep has to go "number seven."

star 8.89
9 votes
Directors: Matt Engstrom
Writers: Matt Engstrom
Destroy Chickie D!

#19 - Destroy Chickie D!

Season 1 - Episode 34 - Aired Nov 16, 2013

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

star 8.75
4 votes
Directors: Sunil Hall
Writers: Mark Drop
Debtor Alive!

#20 - Debtor Alive!

Season 1 - Episode 43 - Aired Jan 18, 2014

The monsters begin to borrow from Sqweep's allowance.

star 8.75
4 votes
Directors: Sunil Hall
Writers: Bill Motz, Gabriel Garza
Race to the End...Zone!

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

Season 1 - Episode 46 - Aired Jan 25, 2014

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

star 8.67
3 votes
Directors: Matt Engstrom
Writers: Gabriel Garza
The Mystery of Dr. Cutter

#22 - The Mystery of Dr. Cutter

Season 1 - Episode 35 - Aired Nov 23, 2013

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

star 8.60
5 votes
Directors: Matt Engstrom
Writers: Gabriel Garza
When Luck Runs Out

#23 - When Luck Runs Out

Season 1 - Episode 47 - Aired Feb 1, 2014

A leprechaun joins team Monster.

star 8.60
5 votes
Directors: Sunil Hall
Writers: Bill Motz, Devin Bunje
It Came...on a Field Trip

#24 - It Came...on a Field Trip

Season 1 - Episode 8 - Aired May 4, 2013

Sensitive data could get exposed when the monsters encounter an alien in the woods.

star 8.42
83 votes
Directors: Sunil Hall
Writers: Brandon Sawyer
98 Pound Cockroach

#25 - 98 Pound Cockroach

Season 1 - Episode 16 - Aired Jun 22, 2013

Dr. Cockroach gets stronger, but his intellect weakens.

star 8.38
78 votes
Directors: Sunil Hall
Writers: Mark Palmer