Columbo

Season One
Episodes Production Directors Writers

Season Two
Episodes Production Directors Writers

Season Three
Episodes Production Directors Writers

Season Four
Episodes Production
 * Dean Hargrove - Executive producer
 * Roland Kibbee - Executive producer
 * Everett Chambers - Producer
 * Edward K. Dobbs - Associate producer

Directors
 * Alf Kjellin
 * Bernard L. Kowalksi

Writers
 * Booker T. Bradshaw
 * David P. Lewis
 * Peter S. Fischer

Season Five
Episodes Production Directors Writers

Season Six
Episodes Production Directors Writers

Season Seven
Episodes Production Directors Writers