Continuity mistake: Pretzie throws down the white sign on the chariot, but it disappears from the ground in further shots.
Continuity mistake: When Hercules jumps on the chariot, there are no cars behind. Shot changes to the guy with the hot dog, and a green car suddenly appears. Back to Hercules, and the shadow of a car is approaching from behind. A shot later, the lane is empty.
Continuity mistake: When Hercules and Pretzie jump on the chariot, the guy behind is holding a hot dog in his right hand. A split second later, it's a white napkin.
Revealing mistake: When the baddies exit the TV station, the pedestrians can't help staring at the cameras.
Revealing mistake: When Helen and Hercules stroll in New York, the pedestrians stare at them and at the camera.
Continuity mistake: When the mobster tries to talk Pretzie into signing the contract, he puts the cigar in his mouth. A shot later, it's back on his hand.
Continuity mistake: During the carriage stroll at the park, the sky light sometimes becomes clearer instead of darker.
Revealing mistake: The bear is a blatant person in a cheap disguise, who even struggles to walk four-legged but needs to bend the rear legs to achieve it.
Continuity mistake: During the carriage stroll, the places in the background are not continuous between shots.
Continuity mistake: When Helen is trying to stop Hercules from beating her friend, her hair runs down along her back. A shot later, it's over her left shoulder.
Continuity mistake: During the sports scene at Central Park, the sky keeps swapping from slightly cloudy to dark grey to sunny... no continuity at all.
Continuity mistake: When Hercules arrives at the ballpark, the guy in a leather jacket moves closer to the iron pole on the left.
Continuity mistake: When Hercules overturns the cab, the light suddenly changes from daylight to dusk.
Revealing mistake: The footage of the Statue of Liberty is of very poor quality, revealing its stock footage.
Continuity mistake: When Hercules is drying his chest on the boat, his hairstyle keeps changing between shots.
Visible crew/equipment: When Zeus checks his crystal ball to see Hercules' whereabouts, two big lights standing on tripods are reflected on the right side.
Continuity mistake: When Hercules talks to the messenger, he moves the curtain aside, and the window becomes visible. In the close-up, the curtain is covering the window.
Continuity mistake: When the lady in the plane freaks out, check the position of the hands of the man sitting behind her and the papers he holds. They keep changing positions all the time.
Factual error: Zeus' wife is Hera not Juno. Juno is the wife of Jupiter, god of Roman mythology, not Greek.
Continuity mistake: When the cabbie gets out of his cab, he closes the door, in later shots, you can see the door is open and he's standing between the open door and cab. Some shots show the door closed again.