Songbird said:This isn't No. 1 for me but it's the first one I thought about.
Keep in mind, this first episode came on right after the Super Bowl. It was a different kind of show, a really forking good show, and then the ending, when these two seventh-graders kiss, became one of those TV moments that had everyone talking the next day.
As Wonder Years moments go, I like this one a lot:
https://www.youtube.com/watch?v=CIeWfGFfuAA
Unfortunately I'm unable to hear that song without recalling that Kenny Rogers and Sheena Easton went on to butcher it with their cover version, but Bob Seger's original version used in that scene was really well done. Listen to the lyrics after they say their I love yous ... well-conceived.