50 episodesFirst aired 23 March 2013
E1Mar 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.
E2Apr 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.
E3Apr 201312m
The Monsters snoop in Coverton's quarters, where they find his "cuddle bear", which then attacks everyone on B.O.B.'s commands.
E4Apr 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.
E5Apr 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.
E6Apr 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.
E7Apr 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.
E8May 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.
E9May 201312m
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.
E10May 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?
E11May 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.
E12Jun 201312m
Dr. Cockroach is split into two personalities by his new teleportation machine.
E13Jun 201312m
Coverton installs an "evil" switch in a brain that Dr. Cockroach builds for B.O.B.
E14Jun 201312m
Sqweep accidentally gives everyone except for B.O.B. the brains of a dog when he wants to do research on puppies.
E15Jun 201312m
Sqweep creates a memory extractor which releases a monster from a scary movie.
E16Jun 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.
E17Jun 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.
E18Sept 201322m
When a vicious alien beast known as a Vornicarn hatches on Earth, the alien huntress Sta'abi arrives searching for it.
E19Sept 201312m
Susan tries to prevent the monsters from destroying the base with a doomsday prank.
E20Sept 201312m
Dr. C's former teacher reveals a missing music grade in his transcript.
E21Oct 201312m
Susan accidentally gets Sta'abi hunting for her after learning that apologies are a mark of disgrace for her people.
E22Oct 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.
E23Oct 201312m
Coverton plans to use Dr. C's invention to hack the base's mainframe.
E24Oct 201312m
Monger puts Sqweep in time out for making a mess.
E25Oct 201312m
The monsters hack into Monger's top secret files.
E26Oct 201312m
Monger orders the monsters to clean up the Rec Room.
E27Oct 201312m
Sqweep has to go "number seven."
E28Oct 201312m
Link pursues Sta'abi using a pheromone spray.
E29Nov 201312m
Link and Sta'abi duel for driving privileges of a new car.
E30Nov 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.
E31Nov 201312m
Coverton tries to steal base secrets when everyone gets the alien flu.
E32Nov 201312m
Vornicarn's bad behavior lands him in the Isolation Zone.
E33Nov 201312m
B.O.B. eats Dr. C's ``probabilitator'' and foresees Coverton with a crown.
E34Nov 201312m
Sta'abi is summoned to embark on her Warrior Vision Quest.
E35Nov 201312m
Dr. Cutter arrives to update the base's technology.
E36Nov 201312m
Link and Bob fix up an old spaceship and take it for a joyride.
E37Nov 201312m
A stray kitten makes its way to the base and obtains Susan's ginormica powers.
E38Nov 201312m
Sta'abi recruits Bob to teach her the art of combat.
E39Dec 201312m
When Derek returns, strange secrets begin to unfold.
E40Dec 201312m
The monsters and the aliens are introduced to Rule-Bot when Monger goes away for the weekend.
E41Jan 201412m
Monger gathers everyone for a game of dodge ball.
E42Jan 201412m
Dr. Cockroach creates a spray to give the president more authority.
E43Jan 201412m
The monsters begin to borrow from Sqweep's allowance.
E44Jan 201412m
After Dr. C tampers with Sqweep's project, the alien receives a bad grade.
E45Jan 201412m
Dr. Cockroach accidentally teleports the diner into space.
E46Jan 201412m
Link is disappointed when he can not play in the government football game.
E47Feb 201412m
A leprechaun joins team Monster.
E48Feb 201412m
After seeing something horrifying in Coverton's room, Team Monster must submit to memory wipes.
E49Feb 201412m
Susan tries to escape the Internet.
E50Feb 201412m
A metal robot battles with the monsters and aliens.