Cesar Millan: Better Human Better Dog Season 4 Episode 4 Fortress of Fear, Part 1

Super mutts Ricky and Bronnie are brothers from the same litter. Even though they grew up loving one another, their play soon turned violent after an out-of-control fight left pet-mom Amie severely injured. Now the dogs are kept separated by dividers within the home, but the entire pack is united in their fear of another bloody fight.