Chaos comes to Trolberg when the bell system begins to ring every hour, inspiring Hilda and friends to hatch an elaborate scheme to quiet the noise.
On a bird-watching expedition, Hilda, Frida and David run into meteorologist Victoria Van Gale, whose calm new life makes one of them very suspicious.
After Hilda and Frida come across a magical portal at the library, they must team up with the librarian in a race against time to find a missing book.
David confronts his many fears when he stumbles into a ferocious battle during an overnight Sparrow Scouts camping trip with Hilda and Frida.
A quest to uncover secret information about Ahlberg leads Hilda on a high-seas adventure with the Wood Man that lands them in a boatload of trouble.
Hilda's essay about her close encounter with a troll wins her the chance to tag along with Trolberg's new head of the safety patrol, Erik Ahlberg.
TAC braces for an un-jolly Christmas when Bull and Benny represent Marissa and her estranged husband, Greg, in federal court after they're charged with money laundering and fraud connected to Greg's restaurant. As Bull and Benny defend the divorcing couple together so the prosecution can't use them against each other, they search for jurors who will believe Marissa had no knowledge of Greg's business dealings. Also, as Bull and Izzy prepare to baptize Astrid before the Christmas holiday, they reach an impasse regarding what they want from their renewed relationship.
Following Captain Lee and Shane’s conversation, the deck team must deal with the fallout. Rachel struggles with her long-distance relationship while James and Elizabeth’s attraction to each other becomes obvious. Tensions reach a new high after a critical mistake pushes Francesca to consider a stew replacement, and Rachel makes an impulsive decision, taking the whole crew by surprise.
Vampirina and her family celebrate New Century's Eve and learn that following their resolutions is harder than they thought.
Bridget finds a spellbook in the attic and accidentally casts a spell that makes her fearsome instead of fearless.
Everything reaches a turning point on the last night of Ripper, as the dancers pull off a jaw-dropping finale and shocking secrets are revealed.
Neveah, June and Bette's undercover sting to catch a predator goes sideways. Mixing business with pleasure puts Madame's reign at risk.
The dancers step up with a viral video to save the school from the expose's fallout. Armed with new evidence, Officer Cruz makes an arrest.
Neveah's mom resurfaces, along with bad memories. The dancers play detective and pinpoint a suspect in Cassie's fall. Bette flips the script on Ramon.
A music video audition promises a big break for a lucky few. Shane and Bette flirt with new love interests, but June has a traumatic encounter.
A photo shoot sheds new light on problems within the group. Neveah pays a price with Madame for talking to the press. Cassie's condition takes a turn.
A fundraising gala sets the stage for drama, as Nabil stirs suspicion and Bette makes a scene. Tensions between Oren and Shane hit a breaking point.
Neveah urges the troupe to rise up against Ramon, while June battles her mother for emancipation. Bette tries a new tactic to score pills.