I usually try not to post click-bait-y stuff, but this caught my eye. It's a collection of intros from old TV shows, most of which (probably) had a short run.
I have not watched all of it, but even the 1st few minutes were interesting. Who knew David Cassidy starred in a detective show with Kolchak's boss?
Based on the thumbnails other shows listed include
Clutch Cargo, Cop Rock, The Gong Show, &
The Flying Nun.