Ep 11. Boy's Best Friend

In episode 11 of season 19 of Family Guy, titled "Boy's Best Friend", Peter and Lois get a new dog named New Brian, after their previous dog, Brian, passed away. However, things quickly take a turn when New Brian begins to act aggressively towards the family, ultimately leading to Chris being mauled by the new pooch.

After the incident, Chris becomes terrified of dogs, but the family still wants to keep New Brian. To help Chris overcome his fear, Peter enlists the help of Quagmire, Joe, and Cleveland to create a series of scenarios that gradually build up Chris's confidence around dogs.

Meanwhile, Stewie decides to build a robot companion to replace Brian, but is disappointed when it doesn't live up to his expectations. In an effort to teach the robot how to be more like Brian, Stewie decides to take it on a walk with New Brian, but things quickly go south when the two dogs begin fighting.

The episode touches on themes of loss, grief, and acceptance as the family struggles to come to terms with the passing of their beloved Brian and adjusting to life with a new dog. It also explores the complex relationship between humans and their furry companions, highlighting the importance of responsible pet ownership and understanding animal behavior.

With its signature blend of irreverent humor and heartfelt moments, "Boy's Best Friend" is a must-watch for fans of Family Guy and anyone who loves a good dog story.