Amateur and professional bodybuilders prepare for the 1975 Mr. Olympia and Mr. Universe contests as five-time champion Arnold Schwarzenegger defends his Mr. Olympia title against Serge Nubret and the shy young Lou Ferrigno.
Unfortunately the movie Pumping Iron is not yet available on Disney Plus.
| Directing | George Butler | Director |
| Directing | Robert Fiore | Director |
| Writing | Charles Gaines | Writer |
| Writing | George Butler | Writer |
| Production | George Butler | Producer |
| Production | Jerome Gary | Producer |
| Sound | Michael Small | Music |
| Camera | Robert Fiore | Director of Photography |
| Editing | Geof Bartz | Editor |
| Editing | Lawrence Silk | Editor |
| Sound | Francis Daniel | Sound |
| Sound | Lee Dichter | Sound Mixer |
| Sound | Harry Lapham | Sound |
| Sound | Hugh Little | Sound |
| Sound | Joan Weidman | Sound |
| Lighting | John Isaacs | Electrician |
| Crew | Larry Shaw | Thanks |
| Camera | Joan Churchill | Camera Operator |
| Camera | Jerry Cotts | Camera Operator |
| Camera | Robert Leacock | Camera Operator |
| Camera | Robby Wald | Camera Operator |
| Camera | John Karol | Camera Operator |
| Camera | Eric Darstead | Camera Operator |
| Camera | Jim Signorelli | Camera Operator |