Monsters vs. Aliens backdrop
Animation•Family•Action & Adventure

The Best Episodes of Monsters vs. Aliens

Every episode of Monsters vs. Aliens ranked from best to worst. Let's dive into the Best Episodes of Monsters vs. Aliens!

Binge this in 10h 20m•Peaking at 9.0/10

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

Airs on
Nickelodeon
BestEpisodes
WorstEpisodes
BestSeasons
AllEpisodes

Seasons1

All1

Episode Rankings

  1. #1 Fan Favorite
    Click to reveal
    Monsters vs. Aliens Season 1 Episode 45 - You Can't Breathe in a Diner in Space!
    9.0/10(1 votes)

    S1:E45

    Dr. Cockroach accidentally teleports the diner into space.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  2. Monsters vs. Aliens Season 1 Episode 22 - Speak Not the Q Word
    8.3/10(23 votes)

    S1:E22

    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.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  3. Monsters vs. Aliens Season 1 Episode 30 - The Beast From 20,000 Gallons
    8.2/10(18 votes)

    S1:E30

    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.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  4. Monsters vs. Aliens Season 1 Episode 43 - Debtor Alive!
    8.0/10(1 votes)

    S1:E43

    The monsters begin to borrow from Sqweep's allowance.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  5. Monsters vs. Aliens Season 1 Episode 23 - Screaming Your Calls
    7.9/10(21 votes)

    S1:E23

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

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  6. Monsters vs. Aliens Season 1 Episode 26 - It Came From Level Z
    7.9/10(17 votes)

    S1:E26

    Monger orders the monsters to clean up the Rec Room.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

    7. Trending NowTRENDING NOW

    The 20 WORST Episodes of Monsters vs. Aliens

    READ
  7. Monsters vs. Aliens Season 1 Episode 8 - It Came... on a Field Trip
    7.7/10(28 votes)

    S1:E8

    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.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  8. Monsters vs. Aliens Season 1 Episode 16 - 98 Pound Cockroach
    7.7/10(22 votes)

    S1:E16

    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.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  9. Monsters vs. Aliens Season 1 Episode 27 - Number Seven!
    7.7/10(15 votes)

    S1:E27

    Sqweep has to go "number seven."

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  10. Monsters vs. Aliens Season 1 Episode 24 - The Time-Out That Wouldn't End
    7.5/10(19 votes)

    S1:E24

    Monger puts Sqweep in time out for making a mess.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  11. Monsters vs. Aliens Season 1 Episode 13 - The Thing with One Brain
    7.4/10(21 votes)

    S1:E13

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

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  12. Monsters vs. Aliens Season 1 Episode 17 - When Nature Shrieks
    7.3/10(21 votes)

    S1:E17

    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.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  13. Monsters vs. Aliens Season 1 Episode 18 - Vornicarn
    7.3/10(28 votes)

    S1:E18

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

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  14. Monsters vs. Aliens Season 1 Episode 49 - Bride of the Internet
    7.0/10(1 votes)

    S1:E49

    Susan tries to escape the Internet.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  15. Monsters vs. Aliens Season 1 Episode 19 - It Got Out of Hand
    6.9/10(25 votes)

    S1:E19

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

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  16. Monsters vs. Aliens Season 1 Episode 25 - Curse of the Man-Beast
    6.9/10(23 votes)

    S1:E25

    The monsters hack into Monger's top secret files.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  17. Monsters vs. Aliens Season 1 Episode 29 - Driven to Madness
    6.8/10(19 votes)

    S1:E29

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

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  18. Monsters vs. Aliens Season 1 Episode 1 - Welcome to Area Fifty-Something
    6.6/10(49 votes)

    S1:E1

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

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  19. Monsters vs. Aliens Season 1 Episode 9 - Educational Television
    6.6/10(32 votes)

    S1:E9

    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.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  20. Monsters vs. Aliens Season 1 Episode 3 - The Toy From Another World
    6.5/10(42 votes)

    S1:E3

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

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  21. Monsters vs. Aliens Season 1 Episode 14 - Night of the Living Dog
    6.5/10(28 votes)

    S1:E14

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

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  22. Monsters vs. Aliens Season 1 Episode 6 - Frenemy Mine
    6.4/10(35 votes)

    S1:E6

    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.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  23. Monsters vs. Aliens Season 1 Episode 7 - Maximum B.O.B.
    6.4/10(31 votes)

    S1:E7

    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.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  24. Monsters vs. Aliens Season 1 Episode 20 - The Sound of Fear
    6.4/10(21 votes)

    S1:E20

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

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  25. Monsters vs. Aliens Season 1 Episode 2 - Danger Wears a Diaper
    6.3/10(40 votes)

    S1:E2

    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.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

Best Episodes Summary

"You Can't Breathe in a Diner in Space!" is the best rated episode of "Monsters vs. Aliens". It scored 9/10 based on 1 votes. Directed by Unknown and written by Unknown, it aired on 1/25/2014. This episode scored 0.7 points higher than the second highest rated, "Speak Not the Q Word".