If the "OP" stands for an Opening song or a specific arc, though episode 22 would fall deep into Season 2.
If the file was mislabeled, as the anime GATE has 24 episodes in its first run. However, a Season 2 titled GATE 2: Tides of Conflict is currently in development for a 2027 premiere . Ensuring My Gate Exists for an Iced Coffee gateanime-com-op-r-22-web-dl-720hd-mp4
The episode showcases the conflict between Sanji’s kindness and the ruthless nature of the Grand Line pirates. It sets the stage for the larger battle against the Krieg Pirates , where the Straw Hat crew must defend the restaurant and convince Sanji to join them as their cook. Context for "GateAnime" and the File Type If the "OP" stands for an Opening song