Ian Underwood
 | Frank Zappa and The Mothers of Invention: Live at Whisky a Go Go 1968 (2024) |
 | Zappa (2020) Self - Played with Zappa 1967-1975 |
 | Eat That Question: Frank Zappa in His Own Words (2016) Self (archive footage) |
 | Frank Zappa - Freak Jazz, Movie Madness & Another Mothers (2014) Self |
 | Frank Zappa: The Freak Out List (2010) Himself |
 | Classic Albums: Frank Zappa - Apostrophe (') Over-Nite Sensation (2007) Self |
 | Frank Zappa: Phase II - The Big Note (2002) Self |
| | Frank Zappa: The Present-Day Composer Refuses To Die (2000) Self |
 | The True Story of Frank Zappa's 200 Motels (1988) Self |
 | Video From Hell (1987) Self |
 | Uncle Meat (1987) Self |
 | Frank Zappa: Opopoppa Stockholm, Sweden (1973) |
 | 200 Motels (1971) Member of Mothers of Invention |
| | Burnt Weeny Sandwich (1969) Self |