FANTASYSPORTS... a sink into which you could pour all of your life if you let it. Or, in today's puzzle, a revealer for a set of games in four fictional universes. Only one of theme fits within the Fantasy genre, so I'll take the term to mean "the faculty or activity of imagining things, especially things that are impossible or improbable".
In that sense, I like that we get one near-contemporary comic strip, one science fiction setting, one young adult fantasy series, and one classic children's book. The clear loser here is PODRACING, as it comes from the least (by far) of the seven Star Wars movies. All we need say is Jar Jar Binks, and the rest is oblivion.
Otherwise, CALVINBALL is such a wonderful reference. It was really strange to come across it today, as my daughter and I were discussing it just last night. QUIDDITCH was an obvious choice. However, the all time winner has to be POOHSTICKS. Yes, it's that game where two people stand on a bridge and drop a stick over on the upstream side. They then race to the opposite side to see whose stick emerges first from underneath. And that's it. The best sport ever.
As for the rest of the puzzle, I love SOUNDTRACKS and CONTRETEMPS. Those are fine long down answers right there. And who doesn't like a good BAKLAVA? And it crosses FLAN (although I've never much liked that dessert).
I'm going to cry foul though on 1D: VCR insert (TVTAPE). Huh? What does that even mean? Surely it's a VCR tape, or a videotape, or video cassette. 1A: To-do list item (TASK) gets a C for averageness. As I started the puzzle, I was not at all sure about 1A, and then entered bLOG at 14A, which allowed me to enter the first answer I was sure about, KGS.
My error came at the cross of UNCAS and ROSEN. I had an L there, for no good reason at all.