My parents controlled the only TV we had.
Batman was not on the list of shows.
I could watch Batman at age 15.
But, just a year earlier (Dec 1964), Mom said “No way you are going to go see Goldfinger” (in so many words). Mom & Dad didn’t want their 13 year old son asking questions about “Pussy Galore” and then didn’t want me to see Jill Masterson get killed by being covered in gold paint.
Moms were tough that way. Nothing got past mom. And that was obviously WAY before you looked things up on the ‘net.