In Africa, Slim and Tom don't like it when a German tyrant starts selling all of the African wildlife to Canadian zoos. Slim and Tom must teach this guy a lesson by beating the hell out of him and his gang.
Unfortunately the movie I'm for the Hippopotamus is not yet available on HBO Max.
| Camera | Aiace Parolin | Director of Photography |
| Writing | Italo Zingarelli | Screenplay |
| Writing | Amedeo Pagani | Screenplay |
| Writing | Barbara Alberti | Screenplay |
| Production | Roberto Palaggi | Producer |
| Directing | Italo Zingarelli | Director |
| Sound | Walter Rizzati | Original Music Composer |
| Writing | Vincenzo Mannino | Screenplay |
| Editing | Claudio M. Cutry | Editor |
| Directing | Renzo Marignano | First Assistant Director |
| Art | Francesco Bronzi | Art Direction |
| Art | Graeme Orwin | Art Department Manager |
| Crew | Valerio Mazzoli | Special Effects |
| Production | Vincent G. Cox | Line Producer |
| Crew | Rémy Julienne | Stunt Coordinator |
| Production | Paolo Tassara | Unit Manager |
| Costume & Make-Up | Fausto De Lisio | Hair Designer |
| Costume & Make-Up | Luciano Giustini | Makeup Artist |
| Editing | Derek Ward | Assistant Editor |
| Art | Antonio De Campos | Art Department Assistant |
| Costume & Make-Up | Luciano Sagoni | Costume Design |
| Production | Ezio Palaggi | Production Manager |
| Art | Patrick Willis | Art Department Assistant |
