2017

(1 episode) … Teleplay

2016

(1 episode) … Story (1 episode) … Teleplay (1 episode) … Writer

2014

(2 episodes) … Writer

2013

(1 episode) … Writer

2009

… Screenplay

2008

… Screenplay

2006

… Writer

2003

… Screenplay

1998

… Screenplay

1997

… Screenplay

1995

… Writer

1993

… Author

1991		Star Trek VI: The Undiscovered Country … Screenplay
1991		Company Business … Writer

1986

… Screenplay

1985

… Writer

1982

(1 episode) … Teleplay

1979

… Screenplay

1976

… Screenplay … Novel

1974

… Teleplay

1973

… Writer