I love The Cisco Kid, but so far, I have found at least 4 different horses that he is riding.
There are even various chase scenes where he is on 2 or even 3 different horses-—without stopping.
Since Diablo was such an unusually marked horse, they sure didn’t respect the audience enough to try & find better matches & to keep continuity correct in the scenes.
But I love the show...
Also Robin Hood.
And ,of Course, the Lone Ranger!