Click on the links below to view Alan's credits.
| Law and Order | 1 episode, 2008 | NBC | Actor |
| Late Show with David Letterman | 1994-2008 | CBS | Various Appearances |
| Monk | 1 episode, 2007 | USA | Writer |
| Mark Twain Award honoring Billy Crystal | 2007 | PBS | Creative Consultant |
| Mark Twain Award honoring Steve Martin | 2006 | PBS | Creative Consultant |
| Live From New York: The First Five Years of SNL | 2005 | NBC | Writer |
| The Furst Family | 2004 | Executive Producer | |
| The 55th Annual Primetime Emmy Awards | 2003 | ABC | Head Writer |
| What Leonard Comes Home To | 2002 | ABC | Executive Producer |
| Curb Your Enthusiasm | 2001-2002 | HBO | Consulting Producer |
| I am Your Child | 1997 | ABC | Writer/ Executive Producer |
| The Please Watch the Jon Lovitz Special | 1992 | FOX | Writer/ Executive Producer |
| It’s Garry Shandling’s Show | 1986-1990 | SHOWTIME | Co-Created By/ Executive Producer (72 Episodes) |
| Great Performances (25th Anniv. Special) | 1997 | PBS | Musical co-written w/ Cy Coleman |
| Good Sports | 1991 | CBS | Created By/ Executive Producer |
| The Boys | 1989 | Showtime | Created By/ Executive Producer |
| Saturday Night Live: 15th Anniversary | 1989 | NBC | Writer |
| The Best of Dan Aykroyd | 1986 | NBC | Writer |
| The Best of John Belushi | 1985 | NBC | Writer |
| Steve Martin's Best Show Ever | 1981 | NBC | Writer |
| Paul Simon Special | 1977 | NBC | Writer |
| Beach Boys Special | 1976 | NBC | Writer |
| Saturday Night Live | 1975 -1980 | NBC | Writer/Actor |