A Christmas Crossover (2018) - part by ZeoRangerUK

A Christmas Crossover is a special episode to during fun with...Totally Spies! & Sonic X.

Totally Spies! - Totally Mystery Much!

 * Scientists make a startling discovery in the Antarctic--a Yeti-like snow creature frozen in a block of ice! Meanwhile, Jerry informs Sam, Clover and Alex that there have been reports of a strange being terrorizing a posh ski resort. When they arrive to investigate the luxurious place, they find that they aren't the only ones on the case - they meet Martin Mystery, a teenage paranormal investigator working for The Center – an organization much like WOOHP!

Sonic X - A Chilling Discovery

 * Sonic finds the first Chaos Emerald, and goes after a second.