Newsround got to reveal the Nekross aliens from Wizards vs Aliens before anyone else and chatted to the stars from the brand new CBBC show.
Scott Haran plays wizard Tom Clarke and Percy Ascott plays his scientist friend Benny Sherwood.
Together they have to fight against aliens called Nekross, that feed on magic.
Want to find out more? Click on the clip and see Ricky and Leah chat to the show's stars.