Monsters vs. Aliens poster
★ 5.7
Monsters vs. Aliens poster

Overall Rating

★ 5.7
S1 E14
#1
★ 7.7

Night of the Living Dog

Sqweep accidentally gives everyone except for B.O.B. the brains of a dog when he wants to do research on puppies.

S1 E20
#2
★ 6.8

The Sound of Fear

Dr. C's former teacher reveals a missing music grade in his transcript.

S1 E1
#3
★ 6.6

Welcome to Area Fifty-Something

All is well at Area Fifty-Something with Team Monster, until a lone alien imprisons the President and makes a permanent home on base.

S1 E25
#4
★ 6.5

Curse of the Man-Beast

The monsters hack into Monger's top secret files.

S1 E4
#5
★ 6.4

The Bath Effect

Susan makes B.O.B. think that baths cure crankiness - B.O.B. leaps into action, chasing after Coverton to cure his crankiness once and for all.

S1 E10
#6
★ 6.4

Flipped Out

B.O.B. discovers a secret switch that General Monger tells him not to touch. Will it get rewired before the Big Blue Blob can get to flip it?

S1 E12
#7
★ 6.4

The Two Faces of Dr. Cockroach

Dr. Cockroach is split into two personalities by his new teleportation machine.

S1 E16
#8
★ 6.3

98 Pound Cockroach

To get strong enough to pass an obstacle course, Dr. Cockroach tweaks his 50/50 man/roach genetic makeup so he'll be 40 percent man and 60 percent roach. Unfortunately, his roach side keeps increasing at the cost of his human side and its intellect, forcing his teammates to find a way to reverse the process.

S1 E2
#9
★ 6.2

Danger Wears a Diaper

The president's birthday is here! Dr. Cockroach has made him a gadget that will make him appear younger, but instead blasts him to infanthood.

S1 E8
#10
★ 6.2

It Came... on a Field Trip

The Monsters find an alien called Sqweep in the woods doing an earth studies project, which has a lot of sensitive data that could be used for an invasion.

S1 E6
#1
★ 5.7

Frenemy Mine

B.O.B. is determined to have Coverton be his emergency buddy. Instead, Coverton chooses to manipulate B.O.B. to help him steal a death ray.

S1 E21
#2
★ 5.9

The Sorry Syndrome

Susan accidentally gets Sta'abi hunting for her after learning that apologies are a mark of disgrace for her people.

S1 E2
#3
★ 6.2

Danger Wears a Diaper

The president's birthday is here! Dr. Cockroach has made him a gadget that will make him appear younger, but instead blasts him to infanthood.

S1 E8
#4
★ 6.2

It Came... on a Field Trip

The Monsters find an alien called Sqweep in the woods doing an earth studies project, which has a lot of sensitive data that could be used for an invasion.

S1 E18
#5
★ 6.2

Vornicarn

When a vicious alien beast known as a Vornicarn hatches on Earth, the alien huntress Sta'abi arrives searching for it.

S1 E19
#6
★ 6.2

It Got Out of Hand

Susan tries to prevent the monsters from destroying the base with a doomsday prank.

S1 E16
#7
★ 6.3

98 Pound Cockroach

To get strong enough to pass an obstacle course, Dr. Cockroach tweaks his 50/50 man/roach genetic makeup so he'll be 40 percent man and 60 percent roach. Unfortunately, his roach side keeps increasing at the cost of his human side and its intellect, forcing his teammates to find a way to reverse the process.

S1 E4
#8
★ 6.4

The Bath Effect

Susan makes B.O.B. think that baths cure crankiness - B.O.B. leaps into action, chasing after Coverton to cure his crankiness once and for all.

S1 E10
#9
★ 6.4

Flipped Out

B.O.B. discovers a secret switch that General Monger tells him not to touch. Will it get rewired before the Big Blue Blob can get to flip it?

S1 E12
#10
★ 6.4

The Two Faces of Dr. Cockroach

Dr. Cockroach is split into two personalities by his new teleportation machine.

S1 E1
★ 6.6

Welcome to Area Fifty-Something

All is well at Area Fifty-Something with Team Monster, until a lone alien imprisons the President and makes a permanent home on base.

S1 E2
★ 6.2

Danger Wears a Diaper

The president's birthday is here! Dr. Cockroach has made him a gadget that will make him appear younger, but instead blasts him to infanthood.

S1 E3
★ 0.0

The Toy From Another World

The Monsters snoop in Coverton's quarters, where they find his "cuddle bear", which then attacks everyone on B.O.B.'s commands.

S1 E4
★ 6.4

The Bath Effect

Susan makes B.O.B. think that baths cure crankiness - B.O.B. leaps into action, chasing after Coverton to cure his crankiness once and for all.

S1 E5
★ 0.0

The Fruit of All Evil

When Link accidentally eats the gelatin that B.O.B. calls his "girlfriend", it's up to the gang to figure out how to break the bad news.

S1 E6
★ 5.7

Frenemy Mine

B.O.B. is determined to have Coverton be his emergency buddy. Instead, Coverton chooses to manipulate B.O.B. to help him steal a death ray.

S1 E7
★ 0.0

Maximum B.O.B.

Impressed with B.O.B.'s indestructibleness, Coverton decides to clone a piece of him. After too many clones, B.O.B. alarmingly begins to diminish little by little.

S1 E8
★ 6.2

It Came... on a Field Trip

The Monsters find an alien called Sqweep in the woods doing an earth studies project, which has a lot of sensitive data that could be used for an invasion.

S1 E9
★ 0.0

Educational Television

It's all fun and games when Link and B.O.B. use Sqweep's tablet TV as a raygun, until a doomsday app is initiated that could destroy the planet.

S1 E10
★ 6.4

Flipped Out

B.O.B. discovers a secret switch that General Monger tells him not to touch. Will it get rewired before the Big Blue Blob can get to flip it?

S1 E11
★ 0.0

The Wormhole Has Turned!

Dr. Cockroach overpromises that he's made a teleportation machine. Instead he's made a short wormhole and tries to pass it off as the real thing.

S1 E12
★ 6.4

The Two Faces of Dr. Cockroach

Dr. Cockroach is split into two personalities by his new teleportation machine.

S1 E13
★ 0.0

The Thing with One Brain

Coverton installs an "evil" switch in a brain that Dr. Cockroach builds for B.O.B.

S1 E14
★ 7.7

Night of the Living Dog

Sqweep accidentally gives everyone except for B.O.B. the brains of a dog when he wants to do research on puppies.

S1 E15
★ 0.0

Attack of the Movie Night!

Sqweep creates a memory extractor which releases a monster from a scary movie.

S1 E16
★ 6.3

98 Pound Cockroach

To get strong enough to pass an obstacle course, Dr. Cockroach tweaks his 50/50 man/roach genetic makeup so he'll be 40 percent man and 60 percent roach. Unfortunately, his roach side keeps increasing at the cost of his human side and its intellect, forcing his teammates to find a way to reverse the process.

S1 E17
★ 0.0

When Nature Shrieks

General Monger takes Susan, B.O.B. and Sqweep on a camping trip to the desert. But when a lightning storm destroys their supplies and Monger is injured, Susan must take charge to get them back to base.

S1 E18
★ 6.2

Vornicarn

When a vicious alien beast known as a Vornicarn hatches on Earth, the alien huntress Sta'abi arrives searching for it.

S1 E19
★ 6.2

It Got Out of Hand

Susan tries to prevent the monsters from destroying the base with a doomsday prank.

S1 E20
★ 6.8

The Sound of Fear

Dr. C's former teacher reveals a missing music grade in his transcript.

S1 E21
★ 5.9

The Sorry Syndrome

Susan accidentally gets Sta'abi hunting for her after learning that apologies are a mark of disgrace for her people.

S1 E22
★ 0.0

Speak Not the Q Word

After the monsters are informed that uttering alien swear words result in physical consequences, Coverton passes a list of those words B.O.B. to cause havoc.

S1 E23
★ 0.0

Screaming Your Calls

Coverton plans to use Dr. C's invention to hack the base's mainframe.

S1 E24
★ 0.0

The Time-Out That Wouldn't End

Monger puts Sqweep in time out for making a mess.

S1 E25
★ 6.5

Curse of the Man-Beast

The monsters hack into Monger's top secret files.

Season Average Rating Episodes Best Episode Worst Episode Rating Range
1 ★ 6.4 14
★ 7.7 Night of the Living Dog
★ 5.7 Frenemy Mine