Continuity mistake: In the barn, when Jaime makes the cowboy trip, he begins to fall with his hat on. In the immediate shot, however, he is falling with his hat off - the hat is already on the ground.
Continuity mistake: When the two men run to help Billy, one of them starts in a big light pink plaid shirt, which suddenly changes to a darker and smaller pink plaid mid-run.
Continuity mistake: When Carlos and Billy talk before the rodeo, the passers-by in the background are repeatedly the same people walking past multiple times. For instance, a rider in a pink shirt.
Trivia: When Jaime arrives at a small square in France, it's unmistakably the same location used to represent Germany in S2E12 and also Germany in S3E7. While it's common for TV shows to reuse sets, the reuse here is particularly blatant and hard to overlook.