Class of the Titans Season 2 Episode 20 Cronos' Keystone ( Air Date 2008-04-18 ) Genre Animation, Sci-Fi & Fantasy, Action & Adventure, Kids category. Overview "Cronos get ahold of Theresa's pendent. He now has a key to get into the magical school! As he prepares for his attack, the heroes try and find a way to close the portal and stop him.".
Class of the Titans Season 2 Episode 20 Cronos' Keystone
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- Watch: Class of the Titans Season 2 Episode 20 Cronos' Keystone on CWR-CRB
- Stars: Meghan Black, Kirby Morrow, Kelly Sheridan, Doron Bell, Sam Vincent, Ty Olsson
- Director: Scott Dyer
