After joining the Sparrow Scouts, Hilda partners with new pals Frida and David to clean up a park, little realizing what's lurking underground.

On parent-teacher night, Hilda springs into action when she discovers David's pet rock project hides a dangerous secret.

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.

Tiny, invisible people threaten Hilda's fun and adventurous life in the wilderness with her mother and pet deer-fox, Twig.

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.

On a quest to earn their Sparrow Scouts botany badges, Hilda, David and Frida make a surprising discovery when they search for a rare plant.

Frida's messy room and missing book lead the gang on a ghost hunt that ends up putting their growing friendship to the test.

After their fellow Sparrow Scouts dub them "The Freaky Friends," Hilda, Frida and David resolve to have the most ordinary river trip imaginable.

Frida holds a town hall meeting to figure out why the nisse keep stealing from each other while Hilda tries to decode her radio's cryptic messages.

Encouraged by her mother to make new friends on the playground, Hilda instead buddies up to an injured bird who's lost his memory.

Hilda and pals gear up for a magical mission: to reverse an enchantment that's taken over the headquarters of the local snack food company, Jorts.

When Hilda's father comes for a surprise visit, she joins him on a mysterious errand to the castle ruins on behalf of a shady man known as "The Polecat."

Hilda realizes the importance of being detail-oriented when she casts a spell from a book of enchantments -- and fails to read the fine print.

David confronts his many fears when he stumbles into a ferocious battle during an overnight Sparrow Scouts camping trip with Hilda and Frida.

Hilda and Frida launch an in-depth investigation to prove the fire-breathing resident of Cauldron Island isn't responsible for a wave of boat attacks.

Desperate times call for desperate measures as Alfur faces questions from the Elf Kingdom over his exciting reports from Trolberg.

On the eve of an overnight camping trip, Hilda tries to help a down-and-out house spirit. Frida makes new friends. A mysterious beast prowls Trolberg.

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 their way to Trolberg's Winter Festival, Hilda, Frida and David come across a group of odd little fellows who are on the hunt for naughty kids.

When David blames his nightmares on Hilda and her hair-raising exploits, she decides to try and help him face his fears.

Hilda and the gang take the train to Tofoten to visit Great-Aunt Astrid for a relaxing holiday — but adventure soon comes knocking at their door.

When her favorite radio weather reporter goes silent amid a raging blizzard, Hilda decides to investigate, with David and the Raven in tow.

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.

An ancient Faratok Tree transports Hilda and Wood Man to an alternate universe, where a feud rages between giants and a not-so-mighty giantslayer.

Convinced that fairies exist in Tofoten, Hilda starts investigating around town... only to uncover a troubling mystery involving her own family.