Name some...

The Vietnam era veterans that became your gym class coach.
Two-a-day football practice in August and you weren't allowed to drink water.
The excitement and anticipation when MTV would announce a world premiere video ! And believe you me, that video was pretty cool.
Comic books were inexpensive and you didn't need a PhD in some superheroes backstory to understand what is going on.

Years ago there wasn't enough Star Trek. Today there is too much Star Trek's.

Bruce Jenner was known for winning the gold medal in the decathlon.
The political talk show panels were incredibly courteous, polite and insightful. When I would watch the McLaughlin Report in the 80s you could kind of tell that they all really liked each other and probably sent each other Christmas cards.
The late night talk show hosts were funny & clever & and really interviewed their guests. Not mean & snarky.