The FETCH! Finale - S5.E20

Ruff has learned that PURRS, the organization that runs Go Get It!, is an evil cat organization! PURRS plans to brainwash the entire country with a device that makes everyone think they're cats. PURRS is also responsible for the disappearance of Ruff's parents. After learning that PURRS headquarters is hidden somewhere inside a water park, Ruff sends the FETCHers to find a way inside. The HQ of PURRS is Studio P, Go Get It's Studio (Only a remodeled Studio G in production terms). The season finale was incorporated during the whole episode and the final winner of the show is determined.