Monsters vs. Aliens - Season 1

First aired: 3/23/2013 50 episodes

Episodes

1. Welcome to Area Fifty-Something

Aired: 3/23/2013

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

2. Danger Wears a Diaper

Aired: 4/13/2013

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.

3. The Toy From Another World

Aired: 4/13/2013

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

4. The Bath Effect

Aired: 4/20/2013

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.

5. The Fruit of All Evil

Aired: 4/20/2013

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.

6. Frenemy Mine

Aired: 4/27/2013

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.

7. Maximum B.O.B.

Aired: 4/27/2013

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.

8. It Came... on a Field Trip

Aired: 5/4/2013

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.

9. Educational Television

Aired: 5/4/2013

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.

10. Flipped Out

Aired: 5/11/2013

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?

11. The Wormhole Has Turned!

Aired: 5/11/2013

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.

12. The Two Faces of Dr. Cockroach

Aired: 6/1/2013

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

13. The Thing with One Brain

Aired: 6/1/2013

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

14. Night of the Living Dog

Aired: 6/15/2013

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

15. Attack of the Movie Night!

Aired: 6/15/2013

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

16. 98 Pound Cockroach

Aired: 6/22/2013

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.

17. When Nature Shrieks

Aired: 6/29/2013

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.

18. Vornicarn

Aired: 9/14/2013

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

19. It Got Out of Hand

Aired: 9/28/2013

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

20. The Sound of Fear

Aired: 9/28/2013

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

21. The Sorry Syndrome

Aired: 10/5/2013

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

22. Speak Not the Q Word

Aired: 10/5/2013

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.

23. Screaming Your Calls

Aired: 10/12/2013

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

24. The Time-Out That Wouldn't End

Aired: 10/12/2013

Monger puts Sqweep in time out for making a mess.

25. Curse of the Man-Beast

Aired: 10/19/2013

The monsters hack into Monger's top secret files.

26. It Came From Level Z

Aired: 10/19/2013

Monger orders the monsters to clean up the Rec Room.

27. Number Seven!

Aired: 10/26/2013

Sqweep has to go "number seven."

28. The Friend Who Wasn't There

Aired: 10/26/2013

Link pursues Sta'abi using a pheromone spray.

29. Driven to Madness

Aired: 11/2/2013

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

30. The Beast From 20,000 Gallons

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.