Harriet sacrifices herself as Eddie and KT finally unlock the portal to destroy Ammut and save them all. KT says an emotional goodbye to Frobisher. Joy and Jerome have Mara's blessing, and Alfie has a special gift for Willow.

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.

Victor discovers the secret room and installs one of Frobisher's fatal booby traps. Miss Denby continues to meddle in Eddie and Patricia's fragile relationship. Joy's persistence finally pays off when Jerome asks her on a date.

Eddie realizes there's a traitor amongst the Sibunas when the phonograph is destroyed, but who is it? Frobisher demands a new sinner for Ammut's collection and Mara has a new plan to shame Jerome.

Denby and Frobisher kidnap Willow but dismay at her inability to sin. Patricia plans to captures KT by offering to help clear her name. Jerome and Joy share a kiss - Mara's plan is backfiring?

Mara is furious as a heartbroken Joy admits her feelings for Jerome. Eddie calls on Patricia's sister for help with the missing artefact clue and KT is torn as she realises she doesn't know who to trust.

KT's hopes of proving her innocence disappear when Harriet is sectioned. The Sibunas search for the artefacts with the help of a family rhyme when the phonograph is mysteriously restored. Eddie faces the real Sibuna traitor.

Willow discovers she's related to Joy and saves the day when she inadvertently provides the clue to a missing artefact. KT decides to run away, leaving Victor without his precious sinner. Fabian learns the truth about Patricia.

Alfie convinces KT that he's not a sinner. They rescue Eddie from Team Evil's clutches – only for Alfie himself to be captured. Joy and Mara are forced to work together when they lose Willow's cherished pet hedgehog.

As Ammut begins to form, Frobisher demands KT's key – but where is it? Eddie and KT find it on Willow, and realise the purpose of the keys. Jerome explains his feelings to Joy in a letter. But Joy won't read it.

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?

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.

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 Sibunas puzzle over a riddle which leads them to a secret room. Mara is disappointed to learn she has inherited a dog. Denby drives a wedge between Eddie and Patricia in her quest for Frobisher's next sinner.

Eddie and KT find the final artefact and take it to the gatehouse to destroy Ammut – only to realise they have been tricked. An evil Alfie breaks Willow's heart and Joy and Mara bond while coming to her aid.

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

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.

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.

Joy agrees to Mara's ultimate revenge plot – to break Jerome's heart. Meanwhile Mara discovers she is 2nd in line to inherit a Lord's estate. Eddie escapes the crypt and the Sibunas puzzle over how to unlock a mysterious capsule.

Joy and Jerome share a romantic moment during a very strange date. The Sibunas discover a phonograph in the secret room and it's the final straw for Patricia when she finds intimate messages on Eddie's laptop.

When Fabian's trusting nature lands him in the hands of Frobisher, Ammut's collection is almost complete. Meanwhile, Eddie realises the Sibuna traitor is not KT and Jerome shocks Joy with a surprise ending to their play.

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.

Anubis House battle Isis House in a Dodgeball Tournament. Harriet Denby escapes from the gatehouse and KT discovers that there's an easier way into the secret room.

The students of Anubis House are on the eve of their graduation when they encounter a new group of underclassmen and a mysterious stone that leads them on a quest to save the world from evil.