Nothing short of a miracle can mend Erin and Lucy's broken friendship, and that's exactly what they get when time travelling knight Sir Galahad crashes into their lives - but he needs their help to save the world, and the clock is ticking.
Emily Allan
Georgia Barley
Thomas Rees
Noah Wilton-Jones
Max Couper
Ben McGregor
Jamie McKee
Arian Pascoe
Sarah Lloyd