Emma's chance. Spirit. The apple of my eye. Rodeo girl. And there are 2 episodes of changing saddles which you can watch on YouTube.
There is a new TV show on Netflix that's an original that's about a horse I think it's called free rein :)
Heartland, Flicka (1-3 on Netflix), The Horse Whisper, and their are a bunch on Netflix if you just look up "Horse".