Fetch! with Ruff Ruffman Season 5 Episode 20 The FETCH! Finale Episode Title:The FETCH! Finale.Episode Description:It all comes down to this! In the season 5 Finale, Ruff has told Henry from the previous episode that P.U.R.R.S., the organization that runs Go Get It!, is an evil cat organization! P.U.R.R.S. plans to brainwash the entire country with a device that makes everyone think they're cats! P.U.R.R.S. is also responsible for the disappearance of Ruff's parents. After learning that P.U.R.R.S. headquarters is hidden somewhere inside a water park, Ruff sends the FETCHers to find a way inside...