The first and only Go Bots movie, Battle of the Rock Lords, opened 25 years ago today on Mar 21, 1986. Although it opened several months before the original Transformers movie (Aug 8), the latter had been in production for the last two years.
I talk a little bit about the 25th anniversary here.
See the trailer for Go Bots: Battle of the Rock Lords:
Here's the intro to the Challenge of the Go Bots TV show: