I marathoned the whole series in a few days. It's PJO's short bus Canadian cousin, seriously, here's is the description I gave a friend: On New Year’s Eve, the planets aligned at midnight, and Cronus, God of Time, escaped the Underworld prison of Tartarus! With a horde of giants and angry Greek monsters behind him, he plans to destroy the gods and take over the world…! But wait! Seven teenage heroes descended from the most famous Greeks come together to stop him, forming the ~Class of the Titans~!