The demon closes in for the kill as the boys finally work out how to return home.

Sam’s loyalty to the boys is tested to the limit when the demon targets his girlfriend, Mia.

With the gang now powerless, Felix has devised his own plan to rescue Andy. He's going to ask Alice to swap him for Andy. Will the rest of the gang realise in time?

The boys' problems are compounded when their parallel mothers all succumb to mysterious afflictions.

The boys are shattered to learn who is responsible for everything that’s happened to them.

Felix discovers the other boys unwittingly possess the magic needed to fight the evil thing that is threatening them.

Sam must face up to his flaws as the demon unleashes its most brazen attack yet - on Bremin High.

Felix, Andy, Jake and Sam have returned home, but still the universe seems out of balance. Felix is concerned that Alice has followed them back and Andy hopes his new power will get Ellen to notice him.

Jake comes face to face with the father he never had, as Phoebe lays claim to the four boys.

The boys discover the truth about Phoebe as the demon evolves to take on human form.

The gang have the second talisman and are set to bring Andy home, but Alice is determined to stop them. Meanwhile, Andy and Bear are running for their lives as their world collapses around them.

Overwhelmed, Ellen tries to process their journey to the other universe and refuses to talk to Felix, while Jake is shocked to discover that Cop Gary has followed them through the portal.

The gang discover Andy is trapped in Negative Space due to Alice hacking Andy's spell; and Alice lures Oscar to the river and offers to cast a spell to make him walk again.

Alice has destroyed the talisman and everyone is in shock - now they have absolutely no way of getting Andy back. Whilst the gang debate this, a figure emerges from the bush...

Felix believes that there is a second talisman in their universe because the other talisman came from the alternate universe...and Sam has swapped bodies during the memory-wiping spell. Will the gang realise the truth before it's too late?

The boys grapple with the discovery that they are now total strangers to their friends and families. Banding together, they try to get to the bottom of their terrifying predicament.

Andy’s obsession with finding a rational explanation nearly comes to grief under the wheels of the school bus.

A trip back to the forest presents both a chance to return home as well as redemption for Andy.

With Saskia, their new water element, the boys do a spell to find Andy but it backfires landing Jake in serious trouble.

The boys’ desperation to prove they still exist leads Sam to discover his doppelgänger.

Felix, Jake and Sam race against time to get Andy back from the storm that took him - before anyone notices he's missing again.

The search for Andy takes Felix, Jake, Sam and Ellen back to the alternate universe. But they have to be quick, Felix fears the restoring demon isn't far behind them.

After being beaten to Alice's Book of Shadows, Felix theorises that if they find another water element, they should regain their ability to use magic. So the boys go on the hunt for the new element.

The talisman is missing - Jake and Felix are at loggerheads as to where it is. Could Saskia be to blame? Meanwhile, Andy meets a cloaked figure while trying to find a way out of negative space.

Pressure mounts on Felix, Jake and Sam as they are questioned by the police about Andy's disappearance. Meanwhile, Oscar tries to locate the Book of Shadows by making a connection to Alice.