Monsters vs. AliensSeason 12013 · 50 episodesEpisodes1Welcome to Area Fifty-SomethingAll is well at Area Fifty-Something with Team Monster, until a lone alien imprisons the President and makes a permanent home on base.2Danger Wears a DiaperThe president's birthday is here! Dr. Cockroach has made him a gadget that will make him appear younger, but instead blasts him to infanthood.3The Toy From Another WorldThe Monsters snoop in Coverton's quarters, where they find his "cuddle bear", which then attacks everyone on B.O.B.'s commands.4The Bath EffectSusan 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.5The Fruit of All EvilWhen 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.6Frenemy MineB.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.7Maximum 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.8It Came... on a Field TripThe 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.9Educational TelevisionIt'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.10Flipped OutB.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?11The 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.12The Two Faces of Dr. CockroachDr. Cockroach is split into two personalities by his new teleportation machine.13The Thing with One BrainCoverton installs an "evil" switch in a brain that Dr. Cockroach builds for B.O.B.14Night of the Living DogSqweep accidentally gives everyone except for B.O.B. the brains of a dog when he wants to do research on puppies.15Attack of the Movie Night!Sqweep creates a memory extractor which releases a monster from a scary movie.1698 Pound CockroachTo 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.17When Nature ShrieksGeneral 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.18VornicarnWhen a vicious alien beast known as a Vornicarn hatches on Earth, the alien huntress Sta'abi arrives searching for it.19It Got Out of HandSusan tries to prevent the monsters from destroying the base with a doomsday prank.20The Sound of FearDr. C's former teacher reveals a missing music grade in his transcript.21The Sorry SyndromeSusan accidentally gets Sta'abi hunting for her after learning that apologies are a mark of disgrace for her people.22Speak Not the Q WordAfter 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.23Screaming Your CallsCoverton plans to use Dr. C's invention to hack the base's mainframe.24The Time-Out That Wouldn't EndMonger puts Sqweep in time out for making a mess.25Curse of the Man-BeastThe monsters hack into Monger's top secret files.26It Came From Level ZMonger orders the monsters to clean up the Rec Room.27Number Seven!Sqweep has to go "number seven."28The Friend Who Wasn't ThereLink pursues Sta'abi using a pheromone spray.29Driven to MadnessLink and Sta'abi duel for driving privileges of a new car.30The Beast From 20,000 GallonsWhen 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.31The Sneezing HorrorCoverton tries to steal base secrets when everyone gets the alien flu.32Prisoner of the Dark DimensionVornicarn's bad behavior lands him in the Isolation Zone.33I Predict HorrorB.O.B. eats Dr. C's ``probabilitator'' and foresees Coverton with a crown.34Destroy Chickie D!Sta'abi is summoned to embark on her Warrior Vision Quest.35The Mystery of Dr. CutterDr. Cutter arrives to update the base's technology.36The Partymobile That Invaded EarthLink and Bob fix up an old spaceship and take it for a joyride.37Ginormicat!A stray kitten makes its way to the base and obtains Susan's ginormica powers.38My Monster, My MasterSta'abi recruits Bob to teach her the art of combat.39It Came From Channel 5When Derek returns, strange secrets begin to unfold.40It Ruled With an Iron FistThe monsters and the aliens are introduced to Rule-Bot when Monger goes away for the weekend.41This Ball Must Be DodgedMonger gathers everyone for a game of dodge ball.42It Spoke With AuthorityDr. Cockroach creates a spray to give the president more authority.43Debtor Alive!The monsters begin to borrow from Sqweep's allowance.44The Grade that Wouldn't Pass!After Dr. C tampers with Sqweep's project, the alien receives a bad grade.45You Can't Breathe in a Diner in Space!Dr. Cockroach accidentally teleports the diner into space.46Race to the End...Zone!Link is disappointed when he can not play in the government football game.47When Luck Runs OutA leprechaun joins team Monster.48That Which Cannot Be UnseenAfter seeing something horrifying in Coverton's room, Team Monster must submit to memory wipes.49Bride of the InternetSusan tries to escape the Internet.50The Invisible Threat! (Also Silent)A metal robot battles with the monsters and aliens.