Although this is the second appearance of Speedy Gonzales (his first outing was in Cóctel para Dos (1953)), he was re-designed after his debut and this is the first appearance of Speedy as we know him today.
The saguaro cactus seen in the opening shots establish the location of the border as the Sonoran Desert, where the tall Cactaceae family members are native. That would place the action in the far southeast of California or in neighboring southern Arizona.
This cartoon is the first time Speedy Gonzales and Sylvester meet.
Speedy wears the traditional man's attire of the Veracruz region of Mexico, white clothing with a red neck bow.