Crazy like a Fox - S1, Ep 5 (1985)

In this episode, "Motor Homicide," the Fox family's camping retreat is disrupted when Harry (Jack Warden) sees a murder occurring in another RV but he can't prove it when the victim steps out of the vehicle the following morning.
Cast:
Jack Warden
John Rubinstein
Penny Peyser
Robby Kiger
Guest cast:
Bo Svenson
Ed Bakey
Paul Koslo
Susan Bjurman
Al Ruscio
Gary Pagett
Dave Shelley
Patrice Chanel