The dog gets shot at twice, has to fight a wolf, is frequently exposed to seeing fire (which he has a phobia of) but he does not die. He is ok at the end of the episode, loved & safe.
A bionic dog (a living dog with bionic legs and a bionic jaw) has been a lab animal his whole life and for the last 4 years hasn't been allowed to leave the lab once. He spends most of his time in a cage and is only let out for testing, not for play.
A lab animal (a bionic dog) is sad about living his life alone in a cage. He also has nightmares about a fire he was hurt in (during the fire he was also in a cage).
Jamie and the forest ranger have a lot of trouble breathing due to smoke inhalation. The dog, Max, is with them in the smoke but doesn't seem to suffer from the smoke inhalation.