Charlie / Brother Up

S1 E107: Charlie: You know that one annoying friend who just can't get the hint? That's Charlie, and he's Bigfoot. The Bears meet him when Charlie signs up on a home-sharing website to spend a weekend with the Bears. Charlie is the worst possible house guest for the Bears and nearly destroys their house. / Brother Up: After Panda stumbles and accidentally scares a pack of wolves away in the process, the hierarchy of the Bears is disrupted. Suddenly, Panda has become the alpha bear, and he and Grizz have to deal with the consequences of an emotional Panda being the leader of the three Bears.