Revealing mistake: When Chucky is sawing Michelle in half, as her body starts to split, a few times you can briefly see where her body has been "pre-scored" to split apart as the chainsaw moves down.
Revealing mistake: After the credits, we see a wideshot of a snowy Hackensack, but the snow is just a digital overlay, since it only seems to be falling directly in front of camera and nowhere else in the shot.
Revealing mistake: In the final shot of Father Bryce exploding, where we see his head falling back down, it seems to hit and bounce off something that isn't there. Likely it bounced off some sort-of rigging that was painted out digitally.
Revealing mistake: When Father Bryce explodes, the second shot looks incredibly unnatural. Much of the blood and pieces sort of vanish, and the lighting doesn't quite match, revealing it's some sort of added effect.
Revealing mistake: When the doll, Jennifer, gets hit by the truck, you can see pieces of the metal armature and wires sticking out of some of the bits and pieces that were used to make the doll stand up. You can also briefly see that Jennifer goes from looking at the truck to looking forward between cuts, but it goes by quick and is hard to see. Slow motion helps but isn't required.
Revealing mistake: When Kyle puts her glasses and prosthetic ear back on, when she turns and looks at Nica, you can ever-so-slightly see the prosthetic ear sticking in her hair since it's just an effect and wouldn't actually go back into place like a real prosthetic. You see it on and off throughout the rest of the scene, and briefly at one point can even see that it's being pushed out by her real ear.
Revealing mistake: When Nica goes up the ramp and into the truck, her dress is bunched up, revealing her legs are hidden inside (she's supposed to have had her legs chopped off). Additionally, you can see that a blur has been added over Nica's face to mask the fact it's a stunt-person doing it.
Revealing mistake: When Nica is escaping, there's a dramatic shot from behind where she comes from over the camera, lands, and zooms away. For a split second, you can see actress Fiona Dourif's hands covered in black gloves as she's spinning the wheels on the wheelchair. Nica's arms have been chopped off and replaced by prosthetic arms with hook hands but they shot the scene with Dourif wearing black gloves underneath. The camera happened to catch them in this one shot.
Revealing mistake: When Glen and Glenda walk up to Jennifer and kiss her on the cheeks, Glen noticeably "shifts" unnaturally when they lean. Later in the shot, they "glide" somewhat as they start to walk out of frame. Since Lachlan Watson played both characters and filmed them separately, it looks like they had to digitally shift Glen around in the frame a little bit here and there. It's easy to miss, but if you know when to look, it's noticeable.
The Sinners Are Much More Fun - S2-E2
Revealing mistake: When Chucky takes a photo of Jake and flees up the chimney, the flash from the camera is very unrealistic. It doesn't cast shadows, nor does it overlay over the room properly. You can tell all they did was use simple effects to make a translucent white shape blink on the bottom corner of the frame.
An Affair to Dismember - S1-E8
Revealing mistake: During the big scene where the main Chucky is addressing the "Chucky army," you can tell most of the dolls aren't actually "alive." They're standing way too still and simply have a digital "blinking" animation applied over them.
An Affair to Dismember - S1-E8
Revealing mistake: When the Chucky gets shot by Kyle and falls over, you can see part of a stand attached to his back, and also very briefly see a wire that's used to pull him over.
Twice the Grieving, Double the Loss - S1-E7
Revealing mistake: When Jake screams "Talk to me!" at the doll in the station and it says "Hi, I'm Billy! Wanna play?!", you can tell the reflection of Jake in the plastic has been added in post. It unnaturally wobbles a little bit at the end of the shot, especially his shoulder area. (Looks like they tried to motion-stabilize the shot used for the reflection a bit, which can sometimes make a weird "wobble.")
Twice the Grieving, Double the Loss - S1-E7
Revealing mistake: During the flashback, when Chucky is putting on his coat to leave the apartment, if you look very closely, you can just barely see the outline of either a very tight sports bra, or chest-binder top under Chucky's white shirt. (The white shirt is ever-so-slightly translucent in the light.) Since Chucky is played by a woman in these scenes, this garment would be used to help hide her breasts and give her a flatter, male-looking chest.
Twice the Grieving, Double the Loss - S1-E7
Revealing mistake: During the flashback, when Chucky leaves Tiffany in the apartment, as he leaves, you can catch a glimpse of the platform shoes actress Fiona Dourif is wearing to make herself seem taller when she plays Chucky. Now, you might argue that Chucky is just wearing platform shoes in the scene but the problem is, this scene takes place shortly before the opening of the original movie, where he's NOT wearing those types of shoes.
Cape Queer - S1-E6
Revealing mistake: When Chucky gets tasered, and you see his knife hit the ground and stick into it, you can see that the ground is padded so the knife has something to stick into.
Just Let Go - S1-E4
Revealing mistake: When Lexy falls through the railing, there's a few shots where you can tell she's been replaced by a (probably adult) stunt double. She suddenly seems quite a bit taller, and noticeably has more muscle tone in her legs.
Just Let Go - S1-E4
Revealing mistake: During the flashback, when Charles shows the kids the body of the janitor, in the first close-up of the Janitor's face, you can see a pulse in his neck. (The next time you see his neck, you can also see a slight pulse, albeit, it's much, MUCH subtler in this shot.)
Just Let Go - S1-E4
Revealing mistake: When we see the outside of the hospital in the beginning, as the camera cranes down to see the ambulance, you can see a subtle sort of "blur/feathering" around some of the tree branches and leaves above. The background appears to be added in post, and the foreground tree just wasn't quite blended in properly.
Revealing mistake: When the fire starts, you can see a massive spark from whatever starting mechanism was used. The blunt wouldn't make a spark that big.
Answer: They were blamed for the death of Jake's foster brother, which was deemed a terrible accident, and they were sent to the reform school as a punishment. Presumably, when they had to leave the reform school given what happened, they were instead given community service as punishment.
TedStixon