It must have been the mid- 1970's, I must have been five years old. Star Trek was in syndication and it was something that My Mummy and I scheduled our day around.
Then when she remarried, it became something that the three of us shared.
My biological father took me to the first film but I think that he did it just to spite his ex-wife.
I NEVER felt comfortable watching Star Trek with him the way I did with My Daddy.
1973, I was 5, TAS was on its initial run on Saturday mornings & TOS was on weekdays in syndication. I saw both, realized they were connected, and was instantly hooked. It helped that my big brother, age of 7, was (and is) a massive fan. 🖖🏾