What's New, Scooby-Doo? (2002)

S3E7 Diamonds Are a Ghoul's Best Friend

The gang travels to Russia to attend the Moscow Invitational Hockey Tournament, where they come face-to-face with a spectral hockey player called The Frozen Fiend. As they navigate the icy rink, they uncover the mystery behind this ghostly figure and the chilling events surrounding the tournament.