ahh yes. there have only been 3 movies.
and I'm pretty sure there were 5 seasons..
Futurama (a Titles & Air Dates Guide)
season 1 was only 10 episodes and started in April as a mid season replacement. Then it came back in Fall '99 with a full season. Then those 2 seasons were put together in one box set for the DVD release.
anyways, there was about 70 good episodes of the show