Episode 1: Secret Team Reactivated!

It's been a week since the first group fight against Donatello in person, the first defeat of an assassin working for The Dark Side, the first group triumph over Volpe Rosso, and even the very first victory against a new adversary named Shadow, and now the team gets reactivated for a whole new set of missions only this they have help from new recruits even with someone unexpected as a recruit.