Ralph Humphrey

1973

• [ ] Frank Zappa: Opopoppa Stockholm, Sweden (????) 

2007

• [ ] Classic Albums: Frank Zappa - Apostrophe (') Over-Nite Sensation (Self) 
• [ ] Frank Zappa: Roxy, 1973 (????) 

2010

• [ ] The Drummers of Frank Zappa Roundtable Discussion and Performance (Self) 

2014

• [ ] Cheepnis (Himself) 

2015

• [ ] Frank Zappa & The Mothers: Roxy: The Movie (Himself) 

2016

• [ ] Eat That Question: Frank Zappa in His Own Words (Self (archive footage)) 

2020

• [ ] Zappa (Self (archive footage))