When the real Don Sebastian (Stan Laurel in a dual role) arrives at the arena, he says "Gracias" in his real voice, but later, the rest of his lines are dubbed by a Spanish-speaking actor.
When Muldoon discovers that Don Sebastian is actually Stanley Laurel, he identifies him as Hardy by accident and vice-versa.
The bus on the roller coaster track at the film's finale is obviously a miniature.
Final film for actress Daphne Pollard, who has a brief cameo as a mother at the dancing school. She had been in several films with Laurel & Hardy in the 1930s.
The pitcher of water on the desk in Stan and Ollie's apartment changes position in several shots.
The scene where Stan and Ollie move the piano along the rickety bridge across the chasm was accomplshed using trick photography. The background was just a blow-up of an 8x10 photo. Stan and Ollie were only about eight feet off the ground.
Thelma Todd's singing was dubbed by another woman.
Fast motion is used when the elevator rises and Ollie's ladder topples over the marquee and plants Ollie on the window ledge above.
The song that Stan & Ollie hum in the trailer is The Old Spinning Wheel.
When Stan and Ollie try to use a blowtorch on the trunk, they burn it and send it flying in the air. It appears to land upside down, but it is right side up in the next shot.
The poster outside the boxing arena reads Steamboat Smith vs. Kid McCarey. Kid McCarey is a sneaky reference to assistant director Raymond McCarey.
The piano crate floats the first time it falls into the fountain. This reveals the crate as being empty.
When Ollie falls on the staircase and the piano flies over him, the wires pulling it can be seen.
A hand can be seen throwing the flowerpot that hits the neighbor on the head.
The song Ollie plays on the piano is You are the Ideal of My Dreams.
When Stan & Ollie roll down the sand dune, they drop their rifles. However, when they reach the bottom, they have them again.
The photo, frequently used during the film, shows Jean Harlow, who played previously in some Hal-Roach-comedies.
This film marks the first use of Oliver Hardy's signature line: "Here's another nice mess you've gotten me into!"
Dorothy Granger plays a dual role, both as Tillie the maid and the pretty girl trying to cross the mud puddle.
Fast motion is used when Ollie is nearly hit by the speeding car.