Im trying to find titles of old horse movies and series shows.

"Black Beauty" is a horse movie. Only one I can think off at the top of my head.

You asked about old horse movies, there are many, such as Phar Lap, The Great Mike, The story of Dan Patch, Homestretch, Home in Indiana, The Littlest Outlaw, My Friend Flicka, Thunderhead, Glory, The Winner;s Circle, so many to list but this is a few, don't forhet Dreamer and Seabusit

Mr. Ed!

A horse is a horse, of course, of course...

Only part horse,Francis the talking mule

Here are a list of current and vintage horse TV shows Horse's on Television