Ethan Mason is a 15-year-old whose curiosity often leads him to trouble, so instead of leaving him alone with his sister while they go out, his parents hire a beautiful sophomore to be his babysitter. Little do they know, she's a vampire.
To impress a girl he has a crush on, Benny resurrects the girl's dead dog. However, things take a turn for the worse when other pets start coming back.
When Erica joins the cheerleading squad, Ethan has a vision that she is out to get the head cheerleader. So, Ethan, Benny and Sarah go undercover.
Ethan and Benny figure out that the local blood drive is being run by a group of vampires.
Jane steals Benny's spellbook after her doll, Debby Dazzle (Georgina Reilly), becomes broken. She attempts to fix Debby with a spell, but Debby becomes human instead. Ethan, Benny and Sarah realize she is dangerous when Ethan has a vision, telling him that Debby sucks life energy from humans in order to maintain her human form. Debby sucks the entire life energy out of Ethan's parents, turning them into dolls. The next day, Debby has a fight with Erica, and her skin tears. She turns Erica into a doll and goes to find Jane, believing Jane can fix her. At home, Ethan dresses up as Debby's male counterpart to distract her and just as Debby starts choking him, Jane recites the reverse spell, finally turning Debby back into a doll.
The yearbook team is coming up with ideas for this year's yearbook photos and decide to use an old camera that Benny sold them. Unbeknownst to Benny, Ethan and the yearbook team, the camera is a magic camera; it creates an evil clone of who evers photo is taken with the camera. The yearbook captain, Hannah, takes a photo with the camera, bringing out her evil clone, who goes around being heartlessly mean to the students, especially Ethan. When her evil clone grabs Ethan's hair, he has a vision and realizes what happened. Meanwhile, Benny takes a photo of himself with the camera to get revenge from the yearbook captain for rejecting his and Ethan's yearbook ideas. Benny's evil clone is then created from the photo. Once Ethan and Benny realize that Benny has an evil twin, they turn to Benny's grandma for help. She explains that the camera brings out the negative side of one's soul, once the photo is developed, and that negative side becomes a separate person--their twin. To destroy these clones, they must destroy the negatives. Benny and Ethan race to stop the evil Hannah from using the camera to take the class photo. Ethan manages to destroy all the negatives. Benny wrestles with his evil clone in the bathroom and destroys him just in time and all the clones that were created from the camera vanish.
Whitechapel High hasn't won a sports trophy in 30 years so the ghost of Coach Ed (Clé Bennett), White Chapel High's deceased former gym coach, returns to finally win one. The tough-as-nails specter has a deal for Ethan: win the wrestling competition, or be haunted forever. Ethan goes against rival wrestler Kurt "The Hurt" Lochner (William Greenblatt), and ends up winning the match by tickling Kurt. Despite Ethan winning, Coach Ed calls off the deal. Just then, all the spirits of the nerds he tormented arrive and suck him into the underworld, destroying him forever.
When Ethan has trouble trying to ask Sarah on a date, Benny makes a love potion that makes both Erica and Sarah fall in love with them. However, when Benny accidentally drops the potion, the potion's scent drifts, affecting every girl in school. Benny's grandmother finds out about it and explains that because of nature's balance, all the girls who had loved them will hate them even more. As per her word, the girls arrive with weapons, crazed to kill them. Ethan and Benny lock themselves in the "Eternity Cage", a prop Ethan had ordered from a movie, to keep themselves safe and wait it out until the potion wears off; they end up spending the night in the cage.After the curse wears off Sarah and Erica, the ups truck arrives and delivers the key to the cage. The girls refuse to let the boys out until they have revenge. Ethan and Benny end up doing chores for Grandma, Sarah, and Erica. The "Dusk" book/film series is mentioned in Good Luck Charlie and Scooby-Doo! Mystery Incorporated. Dusk is a parody of the Twilight series.
White Chapel's oldest tree has been cut down, and the tree takes its revenge by growing weeds into the school's computer system. When Ethan finds disgusting plant matter sizzling inside Sarah's laptop, he and Benny investigate and discover the truth. The tree had been the site of druid rituals and has its own spirit. Rory becomes possessed by the tree, and Ethan, Benny, and Sarah must stop it without hurting Rory. Ethan has an idea: to hack all the computers in the lab with a virus. He acts upon his idea and all the computers shut down. The tree is destroyed and Rory is saved.
Ethan suspects that the school's hairiest jock, David Stachowski (Jake Epstein) is a werewolf and while trying to prove this fact, he is accidentally hit with a misfired werewolf spell from Benny. Ethan has a vision of David trying to find a cure for himself during the full moon, which confirms his suspicion. However, when Sarah finds out about this cure, she hopes she can use it for herself to become human again. On the night of the full moon, Benny's misfired spell makes Ethan transform into a werewolf. Sarah finds the cure, a drinking potion, and ends up using it all on a werewolf trying to kill Benny, whom she thinks is David. However, when the werewolf is cured, it turns out to be Ethan himself. David isn't a werewolf; he only transforms into a shaggy dog under the full moon.
Ethan, Benny and Rory win a chance to help Doug Falconhawk (Thomas Mitchell), a paranormal investigator, with an episode of his TV show. Ethan tries to keep Sarah and Rory away from Doug so he doesn't suspect that they are vampires. However, when Doug's special camera detects Sarah's vampirism, Doug tries to hunt her down. Sarah, now worried for her life, flees. Ethan and Benny create a plan to show Doug that Sarah being a vampire was all a hoax. Doug then leaves with his show canceled, revealing that his last name is not Falconhawk and his awesome hair is just a wig, crushing Benny and Ethan. They later see Doug on TV again, introducing his new prank show in replacement of his canceled one.
A delivery error causes a coffee to turn its drinkers into zombies. The principal of White Chapel High has a whole case delivered for the teachers and all the teachers turn into zombies. Sarah, Ethan and Benny split up to find a cure. Benny is bitten but remains normal long enough to escape to the chemistry lab with Ethan. After inspecting the coffee's molecules, Ethan determines that the zombies are averse to cold temperatures. They decide to blast the air conditioning to subdue the zombies. In the A/C control room, Sarah is attacked by a zombified Rory. She slams him against the A/C switch, causing the A/C to turn on. The zombies become normal again. Kate Todd as Erica does not appear in this episode.
Ethan, Benny, and Rory summon a Demon that takes over Sarah's body turning her into a crazy goth vampire that loves human blood.
Jesse is awakened from the dead and returns from the grave to get Sarah back but she refuses. Ethan and Benny prepare to destroy Jesse again. On the night of their high school dance, they arm themselves with weapons and try to fight off Jesse but Jesse bites Ethan.Then Jesse runs away. Sarah has a choice: save Ethan (which will in turn her into a full vampire) or let him become a fledgling. Sarah saves Ethan by sucking the venom out of his blood. Back at home, Benny's grandmother tells an injured and resting Ethan that he is still fully human. Ethan however feels terrible about what Sarah had to do--now she has no hope of ever becoming human again. Outside, Erica lets Sarah know that they are now best friends forever (literally) and that she will always be there for Sarah. Sarah seemingly accepts what she is and she, Erica and Rory fly away to their after-party.
Sarah is back after saving Ethan from becoming a vampire and she has finally accepted that she is a vampire but she is very different. Meanwhile, there is a green mist that appears to be going around killing vampires, but unfortunately Ethan is the one being blamed for the killings. So the head of the vampire council (Addison Holley) threatens Sarah, either she has to take the punishment or Ethan does, in the meantime Ethan, Benny, and Rory are trying to figure out how to get rid of the green mist and luckily they find a way. So they all race to where the council is taking place and contain the green mist, which was inside a rescued Ethan. So the counsel is pleased and they all get to leave without any problems. The ending scene is Sarah babysitting Ethan and Jane, while Ethan questions the identity of the person who conjured the mist. Meanwhile, with the vampire council in after Sarah and Ethan, Erica abducts her favorite "Dusk" actor, Dirk Baddison (Jamie Johnston), who is very confused by it all
An ancient Mayan queen, Lucia (Shiva Negar) is accidentally summoned when a teacher digs up a crystal skull, and she prepares for a ritual that will unite her with a sun king and end the world. Rory, Ethan and Benny all fall victim to her spell, leaving only Erica and Sarah to save the day. By turning to Benny's grandma for information, they find out that Lucia is one of two sun gods who created Earth, but were split by the moon goddess's power. By using Ethan's moonstones, they manage to break Lucia's hold on their friends and destroy the skull, and the queen altogether.
Ethan receives his learner's permit and wants to buy a car to impress Sarah. Turns out, the car he buys is possessed by a vampire who causes the vehicle to attack random people. Ethan, Benny and the gang must figure out why and stop it.
Two alligators and their evil mutant spawn terrorize the town.
When Whitechapel High first put on a production of The Rainbow Factory, the star was tragically crushed on stage in a prank gone wrong. Twenty-five years later, the play is back, and Ethan and the gang have to handle a ghost that has possesed Erica with a thirst for revenge
An otherworldly creature tries to rid the town of all adults and lure the kids to an eternal playground.
A suave Egyptian prince has been revived and plans to take Sarah back with him to the underworld, and there's no return ticket!
After Ethan, Benny, and Sarah all boast about being able to handle their adventures on their own, they each wake up alone - trapped in their own universe, with only their fears to keep them company.
Ethan and Benny discover that a local singing sensation may have a voice like an angel, but in reality she's a Siren.
The school hockey team's new star player, Boltz, has the strongest arms, legs and hands in the league. Unfortunately, they were all stolen from different people.
Ethan's nerd-fest Halloween party takes a turn for the dangerous when Rory's magical mask transforms guests into the real-life versions of their costumes. Ethan, Benny and Sarah have until midnight to reverse the spell, or the transformations will be permanent.
The Vampire Council has been raided and the intruder is looking for something called the Lucifractor, but Ethan has more important things to worry about.
While trying to recover the fearsome Lucifractor, Ethan and Benny learn the truth about what, and who, they're up against.
