Writer - filmography

1. Tremors 4: The Legend Begins (2004) (V)
2. Tremors The Series (2003) (TV)
3. Lost in Space (2003) (TV)
4. Tremors 3: Back to Perfection (2001) (V) (story)
   
5. Wild Wild West (1999) (screenplay)
6. Tremors 2: Aftershocks (1995) (V) (characters) (written by)
7. Heart and Souls (1993) (screen story) (screenplay)
8. Ghost Dad (1990) (screenplay) (story)
9. Tremors (1990) (screenplay) (story)
   
10. Short Circuit 2 (1988)
11. The Land Before Time (1988) (story revision)
12. *batteries not included (1987)
13. Short Circuit (1986)

Producer - filmography

1. Tremors The Series (2003) (TV) (exec. producer)
2. Tremors 2: Aftershocks (1995) (V) (executive producer)
3. Tremors (1990) (producer)

Director - filmography

1. Tremors 3: Back to Perfection (2001) (V)