Skip the first 5 minutes of Ep 6 to avoid. !SPOILER! for what you’ll miss: The dog/soldier scenario mentioned earlier in the series plays out with Burton and his soldier friends as the victims. Conner tries to save the dog, is caught in the explosion. It’s revealed that this is Conner’s dream/flashback by his waking in a fright and Burton comforting him.
The main character's mother is slowly dying throughout the season, but you don't see it actually happen. Their father has also died when they were younger.
Ep1 - Flynn v*s after using the device a second time. Audio only, so mute when there's a close up of her hyperventilating and rushing to the trailer door. Ep2 - Safe
At 22:00, a syringe is filled with a drug from a bottle. It's gone at 22:11, but comes back at 23:56, when it'll be injected into someone's arm. It's gone again at 24:10.
The main character asks another person to shoot her and he does. There’s an alternate timeline element suggesting she is still alive in a way but it’s still what happens.