sentences:  Because of their dimwitted nature, the boys do not click well with the commanding park ranger, Captain Pine (John Ashton), although Phil has the hots for his stepdaughter Lt. Jesse Ryan (A. J. Langer) whom the Captain is very protective of.This leads to a series of accidents all of which the Deedles are to blame for and land them in disfavor with Captain Pine.Through their trials, the Deedles inadvertently discover that an ex-park ranger named Slater (Dennis Hopper) feels he's been betrayed by the park, the Rangers and mainly Captain Pine and so he has created a secret bunker underground near Old Faithful and has devised a plan to divert Old Faithful's waterflow into a new geyser he's created on his own land which he christened "New Faithful".