New student Nina, arrives from America at Anubis House – a spooky old boarding house at the school that is to be her home for the next few years.

Whilst hiding from Victor, Nina accidentally opens a secret panel in the attic with her pendant and sees a pair of eyes looking out at her! Patricia persuades Mara to help her steal Joy’s file from Mr Sweet’s office, instigating a bag search by Victor.

Patricia reports Joy as a missing person to the police. After looking up the hieroglyphic symbols from the back of the old painting, Fabian and Nina manage to crack the code leading them to the staircase where they find the next clue."

Nina and Fabian sneak up to the attic and find some strange wax cylinders. They take the wax cylinders to Fabian’s uncle who runs an antique shop and find out they are phonograph cylinders.

Nina and Fabian sneak back into the attic to listen to the cylinders but it makes a loud screeching sound and they have to abandon their plans. Patricia sees someone hanging around on the school grounds and is freaked out, thinking it’s a ghost.

Mick finds out Mara cheated for him and falls out with her. Amber discovers a secret message written behind the wallpaper. Amber and Nina go to the old people’s home to visit Sarah and confirm that she is the girl from the recordings.

Patricia meets her “ghost” again in the woods, but this time they talk and he tells her he is actually a private investigator and he’ll help her find Joy.

Patricia spots Nina’s necklace and recognizes it as the Eye of Horus. The gang opens the next puzzle piece to reveal the second riddle. The teachers confiscate Patricia’s phone and find out she’s been in contact with Rufus Zeno.

The gang lets Patricia in on the secret, and debates the possibility that Victor might be drinking an elixir of life.

With Trudy gone, Victor installs security cameras to spy on the kids.

The security cameras are removed and Trudy returns to the house. The gang goes back down to the cellar to find proof of the elixir, and comes face to face with something terrifying…

The Sibuna gang return and have a midnight feast in the attic where they find a dollhouse. Victor searches for The Book of Isis – an ancient tome that will tell him how to recreate the Elixir. Nina looks for a new hiding place for the cup, but is it safe?

Jerome is blackmailed by a 7th grader. Nina has a dream, inspired by a riddle. Alfie saves the dollhouse, the gang finds out who is blackmailing Jerome, Senkhara tells Nina to find the Mask of Anubis, and Victor is thinks he will find The Book of Isis.

Mara is upset that Mick’s family is moving, Alfie tries to impress Amber, and Fabian writes a poem for Nina. There’s a replica of the Mask of Anubis in the Exhibition, so Nina and Fabian go check it out.

Senkhara leaves her mark on Nina, and Fabian’s godfather, Jasper, advises her about the mark and the Mask. Nina thinks the Mask is in the house – and then the dollhouse opens to reveal a map. Poppy researches her and Jerome’s father.

Fabian keeps the Jackal mark a secret, while Nina’s map leads them to a secret door in the cellar, but she needs the right code to get in. Amber saves Nina and Fabian from Victor, and insists they tell her what’s going on.

Amber joins the Sibunas as they find the antechamber and amulets. Mara’s upset about Mick. Trudy’s leaving to work in the Exhibition and Mick is leaving for good. Meanwhile, Jerome decides to hire a Private Investigator.

Amber’s temporarily blinded by a strange beacon booby trap. Nina and Fabian discover the only thing that can protect them. Nina and Fabian explore the first Task in the tunnels, set by Sarah’s father Robert.

New boy Eddie arrives and makes an enemy in Patricia. Amber surprises Nina by finding something Nina’s been looking for. Eddie causes trouble at Jerome’s fundraiser day, and things get worse when Mara figures out it’s all a scam.

Nina and Fabian puzzle over the mysterious cube that they found in the tunnels. Nina figures out how to make the mysterious cube into a key to unlock the first door in the tunnels, and soon the Sibunas face their next Task.

The Sibunas’ next Task is a deadly Egyptian version of hopscotch. If they get the sequences wrong then the ceiling starts to descend. The gang figures out the safe sequence to cross the deadly hopscotch. Then, when Nina hears Senkhara, she follows.

The day of the Ball. Amber, Nina and Fabian have had the same dream of the Spirit pushing Nina into the Chasm. The night of the Ball. Amber, Nina and Fabian complete the hopscotch challenge but there’s a bigger test to come.

The Collector creeps into the Library. Jerome and Alfie bet Eddie that he can’t get Patricia to dance, and Eddie wins. Nina flees to the tunnels, while Jerome reads the letter his Dad sent to Poppy. Nina is angry with Fabian.

Jerome's dad wants him to visit him in prison. Patricia finds out about Eddie's bet, and Joy & Mara sign up for the school website. The Sibunas practice laying the beam, and Victor finds the lock in the cellar and map of the tunnels, which he copies.

A new girl named KT begins school, and Eddie recalls seeing her in a vision.

Victor's furious when a parcel goes missing. He doesn't realise it's ended up in Amber's pile of birthday presents. Eddie demands that KT come clean about why she's really here.

Eddie and KT join forces to unlock the mystery of her key. Amber learns details about her bracelet from Alfie. Victor scrambles to find his lost bracelet. Eddie and KT realize Miss Denby also has a key.

Victor's under pressure to find his missing bracelet. Eddie and KT discover that Miss Denby has a key just like KT's - is there more to their new teacher than they first thought?

Amber is accepted to a fashion school in America. Fabian deciphers the bracelet's packaging. Eddie and KT seek info about Miss Denby. Jerome and Mara prepare for the business-studies competition.

Eddie and KT investigate Miss Denby, Patricia and Fabian suspect KT of working for Victor and Jerome and Mara take the business studies competition seriously and personally.

Victor steals Amber's bracelet and locks her in the tank room. Eddie and KT find more out about Miss Denby. After Amber is found, she demands that Sibuna be reformed.

KT and Eddie's suspicions about Miss Denby are confirmed, Jerome's sabotage of Mara's project backfires and Amber learns the adults are planning a mysterious ceremony.

Amber is found in the tank room; a photo of the real Miss Denby is uncovered; Amber shares what she heard the adults discussing; Victor believes he has his bracelet back.

Amber leaves, revealing what she heard in the Tank room and demanding that Sibuna is reformed – they have to stop the adults! Meanwhile Victor is delighted he finally has his bracelet – little knowing it's a fake!

The Sibunas discover the man in the tank is Robert Frobisher Smythe – what exactly are the adults plotting? Eddie resolves to reveal Denby's true identity. Meanwhile, Jerome tries to win Mara back.

The Sibunas find the real Miss Denby, who has some revelations for them… but will they get away without being caught? Jerome sets his sights on Willow. Joy boosts her confidence with a brand new look.

The Sibunas uncover the details of the secret ceremony in a very special place. They rush to rescue Harriet Denby, but discover she's gone. Jerome's love life is in a tangle.

The Sibunas learn that they must perform the ceremony themselves. With news of a school open day, it's the perfect opportunity to sneak out the tank….or is it? Meanwhile, Jerome's double life catches up with him.

The Sibunas make it to the Crypt with the tank and begin their ceremony – but Denby's discovered Frobisher has gone. Can Sibuna complete the ceremony before the adults find them? Meanwhile, Joy grants Willow a very special wish.

The Sibunas fail to wake Frobisher and are trapped in the crypt with the adults on the warpath. Patricia hatched a rescue plan, but will she manage to rescue her friends? Jerome sweats as roommates Mara and Willow get closer…

Victor confiscates KT's key and when Jerome begs Patricia for a favour she strikes a deal – if he gets their key back from Victor! The Sibunas discover that the adults have special plans for the eclipse… how will they stop them?

Mr Sweet steals the ceremonial bracelet from Eddie and a shock revelation about the descended leaves Sibuna stunned. Jerome worries that Mara and Willow working together will threaten his secret.

The Sibunas learn the history behind the man in the tank and realise they have to stop the ceremony at all costs! Jerome's list of Mara and Willow's pros and cons ends up in Joy's hands – but what will she do with it?

As the eclipse approaches, will Eddie, KT and Fabian get to their friends in time to stop the ceremony? Jerome has a near miss when Joy sends Mara and Willow an incriminating email revealing his secret.

Frobisher finally wakes up and as the Sibunas predicted, he's evil. Joy tells Willow & Mara about Jerome's two timing ways. Victor and Denby force Mr Sweet to take drastic action against the Sibunas.

Eddie has a bad feeling something terrible is about to happen. The Sibunas plant secret cameras in the gatehouse and hear a strange voice calling for help. Mara and Willow plot revenge on cheating Jerome.

Jerome, Joy, Patricia and Alfie start acting very strangely, as if guided by an unseen force. Jerome is tricked into believing he's been picked for a talent contest. KT wants answers and foolishly goes to the Gatehouse alone.

The Sibunas find Frobisher apparently dead – were they wrong all along? Jerome is humiliated in front of the class during the "singing competition". Victor visits the Gatehouse and is captured by Frobisher as his first sinner.

The adults are on the Sibunas' tail, looking for their second sinner. Patricia plans to tell Eddie how she really feels about him, little knowing that Victor and Denby have trapped him in the crypt.