Revealing mistake: After Indy escapes from the conveyor belt, he runs on some suspended planks while being shot at. Watch the planks: There's black masking tape where the explosives are (which disappear in later shots). Furthermore, right before he takes out his whip, he grabs a railing where the bullet has just hit, and you can see that the black tape is dangling loose after the spark.
Revealing mistake: When Indy is hanging on the cliff as it falls out from underneath him (right after the mine cart scene), as he's kicking, you can see the stone wall moving in and out as he hits it after the rocks fall out underneath him.
Revealing mistake: When Willie runs into the death pit after pulling the release lever, when she drops the lantern Indy is not Harrison Ford but a stunt double. (00:59:30)
Revealing mistake: At the bar Indy has swords thrown at him. The string to make them fly is visible attached to the sword on the left side. Also, the swords disappear in the next angle.
Revealing mistake: After Indy drinks the antidote, many of the chase-scenes are obviously sped up, watch the way the actors move.
Revealing mistake: When Indy is put inside a cage Short Round comes to hug him. There's a shot of Indy from behind and he is a noticeable stand-in: Thinner face, clean hair, no sweat, and clean shaven instead of stubble.
Revealing mistake: When Indy is whipped six times, the first time we can see the whip doesn't touch him, or go anywhere near him.
Revealing mistake: When Indy wraps his whip around an assassin's neck and hangs him on the fan, we can see it's not actually around his neck, it's just attached to his clothing.
Revealing mistake: When the 3 heroes exit the mine cart and escape from the water flood in the mine, Harrison Ford is replaced by an obvious stuntman.
Revealing mistake: When the water tank falls over, the vapour fumes are moving in slo-mo, despite the whole scene moving at a normal speed.
Revealing mistake: When Willie and Short escape the jet of water and Indy climbs the mountain alone, the river below is totally still (impossible because of the huge amount of water that's falling on it), revealing it's a still image.
Suggested correction: Actually it appears the vial falls to the left of Kao Ken's chair, not Lao Che's. It appears after Indy pierces the other guy with the shishkebab, Kao Ken, off camera, takes the vial and puts on his left side. Indy jumps on the table and after missing the vial he slides further and then elbows Kao Ken who is on the right side now. The vial is still on the left side of Kao Ken's chair when it's kicked onto the wooden floor.
lionhead
You're very much mistaken. Lao Che is wearing an embroidered dinner jacket and has a pinky ring on his left pinky, and Kao Kan's left hand is bandaged in gauze. After Indy skewers Chen, in the closeup of Indy's hand just as it knocks the vial off the table, it's Lao Che's hand (note the pinky ring, etc) that we see on the table next to Nurhachi's urn, the stack of money, and the vial. That is not Kao Kan's hand/arm, remember his left hand is bandaged. And as this closeup continues to pan down it follows the vial as it lands on the floor in the empty space where Kao Kan's chair should be, but it isn't.
Super Grover ★
Yep, you're right I see it. There are 2 shots of Indy trying to grab the vial off the table and the second one is followed through with the vial falling off it and that one is wrong. Alright.