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A horse is a horse, of course, of course. Unless the horse is the famous Mister Ed!

From 1961 to 1966, the comical tales of Wilbur Post and his talking horse made for an unlikely sitcom success. Though it was never a ratings smash, the comedy kicked its way into the American consciousness. Who doesn't know that theme song?

It's been half a century since Mister Ed finished its original run. Here are some things you might not know about the show.

WATCH 'MISTER ED' ON METV - WEEKDAYS AT 6AM | 5C.