CBS All Access has quite a list of old shows available in addition to the Star Trek. The list includes - Wings, Twilight Zone, Under the Dome, Sabrina the Witch, Salvation, The Odd Couple, Mission Impossible, 7th Heaven, 90210, Brady Bunch and more.
ESPN Plus
Shows Bill enjoys watching: Peyton's Places and 30 for 30
Tubi
Shows Pattie found she feels are worth watching:
LEXX
Being Human
Colour of Magic
Hunter
Greatest American Hero
Dresden Files
A movie that Pattie says you must watch: The Voices