The dog dies at the start of the first John Wick movie. If you want to avoid watching the dog die, then you can start viewing it from the 17-minute mark, and you’ll be good to go. However, the entire movie is about getting his revenge for the dog’s life. In John Wick 3, the dog gets shot but doesn’t die because he’s wearing a protective vest.T-Dog dies in episode 4 of season 3 titled “Killer Within.” T-Dog dies when a horde of walkers invades the prison courtyard. A walker bites T-Dog’s shoulder when he’s trying to secure the gate. When they run out of ammunition, T-Dog sacrifices himself to let Carol escape safely.