We're a football family. My oldest played in high school, and even after he finished, game days didn't stop at our house. There's always a local team on TV, and the best part of watching from home is the snacks.
We have four kids and one rule for fandom nights: the book gets read before the movie, and the food has to be something a seven-year-old can carry from the kitchen to the couch without a spill. After a few years of doing this, our year settled into three seasons. Here is the short version, with links to the full write-ups on my blog.