Monsters vs. Aliens — Season 1
01 Welcome to Area Fifty-Something
Mar 23, 201322m
All is well at Area Fifty-Something with Team Monster, until a lone alien imprisons the President and makes a permanent home on base.
02 Danger Wears a Diaper
Apr 13, 201312m
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.
03 The Toy From Another World
Apr 13, 201312m
The Monsters snoop in Coverton's quarters, where they find his "cuddle bear", which then attacks everyone on B.O.B.'s commands.
04 The Bath Effect
Apr 20, 201312m
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.
05 The Fruit of All Evil
Apr 20, 201312m
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.
06 Frenemy Mine
Apr 27, 201312m
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.
07 Maximum B.O.B.
Apr 27, 201312m
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.
08 It Came... on a Field Trip
May 4, 201312m
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.
09 Educational Television
May 4, 201312m★ 8.0
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
May 11, 201312m
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!
May 11, 201312m
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
Jun 1, 201312m
Dr. Cockroach is split into two personalities by his new teleportation machine.
13 The Thing with One Brain
Jun 1, 201312m
Coverton installs an "evil" switch in a brain that Dr. Cockroach builds for B.O.B.
14 Night of the Living Dog
Jun 15, 201312m
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!
Jun 15, 201312m
Sqweep creates a memory extractor which releases a monster from a scary movie.
16 98 Pound Cockroach
Jun 22, 201312m
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
Jun 29, 201312m
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
Sep 14, 201322m
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
Sep 28, 201312m
Susan tries to prevent the monsters from destroying the base with a doomsday prank.
20 The Sound of Fear
Sep 28, 201312m
Dr. C's former teacher reveals a missing music grade in his transcript.
21 The Sorry Syndrome
Oct 5, 201312m
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
Oct 5, 201312m
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
Oct 12, 201312m
Coverton plans to use Dr. C's invention to hack the base's mainframe.
24 The Time-Out That Wouldn't End
Oct 12, 201312m
Monger puts Sqweep in time out for making a mess.
25 Curse of the Man-Beast
Oct 19, 201312m
The monsters hack into Monger's top secret files.
26 It Came From Level Z
Oct 19, 201312m
Monger orders the monsters to clean up the Rec Room.
27 Number Seven!
Oct 26, 201312m
Sqweep has to go "number seven."
28 The Friend Who Wasn't There
Oct 26, 201312m
Link pursues Sta'abi using a pheromone spray.
29 Driven to Madness
Nov 2, 201312m
Link and Sta'abi duel for driving privileges of a new car.
30 The Beast From 20,000 Gallons
Nov 2, 201312m
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.
31 The Sneezing Horror
Nov 9, 201312m
Coverton tries to steal base secrets when everyone gets the alien flu.
32 Prisoner of the Dark Dimension
Nov 9, 201312m
Vornicarn's bad behavior lands him in the Isolation Zone.
33 I Predict Horror
Nov 16, 201312m
B.O.B. eats Dr. C's ``probabilitator'' and foresees Coverton with a crown.
34 Destroy Chickie D!
Nov 16, 201312m
Sta'abi is summoned to embark on her Warrior Vision Quest.
35 The Mystery of Dr. Cutter
Nov 23, 201312m
Dr. Cutter arrives to update the base's technology.
36 The Partymobile That Invaded Earth
Nov 23, 201312m
Link and Bob fix up an old spaceship and take it for a joyride.
37 Ginormicat!
Nov 30, 201312m
A stray kitten makes its way to the base and obtains Susan's ginormica powers.
38 My Monster, My Master
Nov 30, 201312m
Sta'abi recruits Bob to teach her the art of combat.
39 It Came From Channel 5
Dec 7, 201312m
When Derek returns, strange secrets begin to unfold.
40 It Ruled With an Iron Fist
Dec 7, 201312m
The monsters and the aliens are introduced to Rule-Bot when Monger goes away for the weekend.
41 This Ball Must Be Dodged
Jan 4, 201412m
Monger gathers everyone for a game of dodge ball.
42 It Spoke With Authority
Jan 4, 201412m
Dr. Cockroach creates a spray to give the president more authority.
43 Debtor Alive!
Jan 18, 201412m★ 8.0
The monsters begin to borrow from Sqweep's allowance.
44 The Grade that Wouldn't Pass!
Jan 18, 201412m
After Dr. C tampers with Sqweep's project, the alien receives a bad grade.
45 You Can't Breathe in a Diner in Space!
Jan 25, 201412m★ 9.0
Dr. Cockroach accidentally teleports the diner into space.
46 Race to the End...Zone!
Jan 25, 201412m
Link is disappointed when he can not play in the government football game.
47 When Luck Runs Out
Feb 1, 201412m
A leprechaun joins team Monster.
48 That Which Cannot Be Unseen
Feb 1, 201412m
After seeing something horrifying in Coverton's room, Team Monster must submit to memory wipes.
49 Bride of the Internet
Feb 8, 201412m★ 7.0
Susan tries to escape the Internet.
50 The Invisible Threat! (Also Silent)
Feb 8, 201412m
A metal robot battles with the monsters and aliens.