Season 1

01 Welcome to the Jungle Episode 118th September 2009 Jake is initiated into The Troop, a group that protects the town from alien monsters. His first mission is to help his mean neighbors, who have been turned to stone. 02 Do the Worm Episode 212th September 2009 While saving a Senior Dance from a Mongolian death worm, Jake learns not to judge a book by its cover, and Felix becomes an unlikely hero. 03 There Is No I in Monster Hunter Episode 318th September 2009 Jake learns the value of teamwork. Meanwhile, Hayley finds out that it's not possible to be liked by everyone. 04 Forest Grump Episode 418th September 2009 A tree monster takes the form of a student in order to kill the student council. Also, Felix is forced into a situation where he must protect a boy that has wronged him in the past. 05 Pajama Game ... Of Death Episode 525th September 2009 Jake and Felix must infiltrate Hayley's cheerleader slumber party in order to find out which girl is hosting a bug alien. Also, Stockey is nervous about attending his Troop class reunion. 06 Taming of the Cube Episode 62nd October 2009 While fighting a gelatinous cube monster, Haley and Jake accidently switch bodies. 07 No More Master Nice Guy Episode 716th October 2009 Haley becomes suspicious when a mousy classmate suddenly gains status and power - which is revealed to be by controlling an invisible, subservient monster. 08 The Great Punkin Episode 823rd October 2009 On Halloween night, The Troop has to capture the monsters after the security system breaks down and the monsters escape. 09 Tentacle Face Episode 913th November 2009 Jake meets his monster-hunting hero, but discovers he's out growing the ability to hunt and capture the ultimate monster he has been chasing his whole career. 10 Lost in Translation Episode 1020th November 2009 A Troop from Japan arrives to share monster-hunting techniques with our Troop, but cultural differences complicate everyone's attempts at defeating the elusive Noctem. 11 The Good, The Bad and the Ickie Doll Episode 1112th December 2009 Jake and Hayley discover that the hot Christmas toy, the "Ickie Doll", has been invaded by a Vapor Monster, turning the dolls into nasty, violent, living creatures. 12 The Substitute Episode 129th January 2010 When a veteran Troop member named Bianca Stonehouse replaces Mr. Stockley due to his dentist appointment, The Troop discover that she is a monster in disguise, there to help another monster escape and to find the real Bianca Stonehouse before its too late. 13 Unpleasantville Episode 1316th January 2010 A strange Swarm monster causes everyone in town to behave perfectly, The Troop learns that perfection is overrated. 14 My Gus is Back & There's Gonna be Trouble Episode 1430th January 2010 Felix's new friendship with Gus creates a rift within The Troop. Little does anyone know of Gus's secret plans to destroy The Troop. 15 Speed Episode 155th February 2010 Jake and Haley must pretend to be a couple in order to catch the Eris Fairy(Victoria Justice) that's been running around the school breaking up couples in love. Felix works furiously to trap the Eris Fairy only to realize how much he relates to her situation. In the end, the fairy apologizes to Felix and tells him that she likes him. 16 I, Monster Episode 1620th February 2010 The Troop is in lockdown until they can figure out which one of them is really a monster. 17 Like A Moth to the Spotlight Episode 1713th March 2010 While hunting a Vampire Moth, the Troop must alleviate the suspicions of two of their classmates who witnessed a monster fight, but cannot be Snarked. 18 Vampsters Episode 1820th March 2010 When a group of part vampire/ part Hamster/ part Human monsters invade Lakewood, Jake must go undercover to infiltrate the group in order to find their lair. 19 Snarked Up Episode 1916th April 2010 Jake is pregnant with a baby Snark, which makes his neck look weird. A griffin is harassing local ranchers and Haley and Felix have to take it out. 20 Itty Bitty Baby Dragon Episode 2023rd April 2010 After Phoebe unwittingly "adopts" a baby Dragon and Jake and the Troop must figure out how to return it before the mother dragon finds them first. 21 The Wrath of the Wraith Episode 2117th July 2010 Jake and two other students attempt to stay overnight in an abandoned hospital rumored to be haunted by a Wraith. 22 Hayley and Felix on the Side Episode 2224th July 2010 When Haley and Felix are scratched by a Zylork, its venom makes them want to be eaten by the monster and Jake must save his friends from themselves. 23 Double Felix Episode 2331st July 2010 Felix creates a robotic version of himself that is better at his life than he is, but evil. Hayley is bitten by a monster which gives her symptoms that make her seem very nerdy. 24 Don't Talk to Dr. Cranius Episode 247th August 2010 A Harvard-educated sponge named Dr. Cranius (voiced by Kelsey Grammer) is captured by The Troop. He then tries to manipulate the members so he can escape. 25 Batteries Not Included Episode 2514th August 2010 Mr. Stockley is the acting Principal at school and wants to the day to go perfectly to show off what he can do, but when an Oculypse escapes from HQ havoc is wreaked on the student body. 26 The Next Stop: Lakewood Episode 2621st August 2010 Gus is back from the mental hospital and he plans on destroying The Troop and taking over Lakewood. But in order to do he kidnaps Mr. Stockley, to enter headquarters and release all the captive monsters.