Jerry Houser and Jeff Conaway “Barnaby Jones”

Ep.: “The Killer on Campus”, 1977

Buddy Ebsen, Jerry Houser, Mark Shera, Jeff Conaway, Katherine Cannon 

Robbie Rist on Twitter 2019

I assume HGTV asked him to do a drive by like Jerry Houser, Ron Kuhlman, and others members of the extended Brady family did on "A Very Brady Renovation"

Jerry Houser "Three Times Daley"

Jerry Houser, Don Adams and Liam Dunn in "Three Times Daley" an unsuccessful  1976 pilot about three generations of a family named Daley, all of whom worked at a newspaper.