Edwardian teen Theodosia Throckmorton stumbles upon a mysterious artefact in a lost Egyptian tomb which gives her the power to see magic.

Theodosia tries to find a cure for her father, who has been cursed by the Eye of Horus. Along with Henry, Will and Safiya, she sets off to track down the mysterious stranger who unleashed the curse.

Theodosia experiments with her magic and accidentally turns Safiya into a tiny shabti statue. Now she must restore Safiya and cure her dad, preferably before Safiya is sent to another museum.

When Henry and Will are whisked away to Egypt by a magical portal, Theo and Safiya must figure out a way to get the boys back and pull them back through the portal before they turn to stone.

Theo is taken in by the strong magic of the staff, using it to help remove the invisibility curse that Will is under.

Can Theo save Will and Safiya, who are trapped inside a secret room?

Theo tries to decipher the secrets of her grandfather’s journal, with disastrous results.

The pyramidion’s power turns Will’s dreams of fame into a magical nightmare.

Theo and Will try to discover what the Serpents of Chaos are planning.

Aapep is loose in London, and the museum’s mummies have developed a mind of their own!

An accidental body-swap forces Theo and Safiya to pretend to be each other.

Will returns to Aapep’s lair, while Aapep forces Nigella to seek out and destroy Theo.

Theo and friends must face Aapep himself if they are to save the world from destruction.

Henry and Safiya have to deal with the terrifying Annubis statue that is on the loose inside the museum.

Theo and Will compete at table tennis in the amusement arcade to win cash to help Will pay his rent. However, a magic scarab beetle tries to spy on Theo and set the arcade on fire.

Miss Krait arrives to potentially give Theo’s parents a new dig licence, but Theo grows suspicious when she starts showing interest in the Eye of Horus.

Theo is offered a place among the Serpents of Chaos when confronted by Yaret, the group's leader.

Theo manages to create duplicates in an attempt to fool the Chief Serpent and take back the amulet.

The Serpents are on the hunt for Theo, Safiya and the Eye of Horus. The two girls attempt to fool them by using a dangerous invisible rope that will hide anything inside it when formed into a loop.

The serpents demand that Theo and Safiya give them the Staff of Osirus, which the pair have just found in the temple.