Ready for the biggest family movie of the holiday season? Sonic the Hedgehog 3 sees the return of everyone's favourite blue hedgehog, along with his faithful sidekicks, Knuckles and Tails, as the dynamic trio experience their most thrilling adventure yet. A-LISTER JOINS ALL-STAR CAST Hollywood star Keanu Reeves takes on the role of Shadow, a rogue alien who's been suspended …