S2E8: How I Met Your Brother

Mason's brother Jason visits, but Mason isn't so welcoming due to an incident when they were kids. When the kings make Jason head guard, Mason quits and drowns his sorrows in eating. But when the Tarantula people try to roast Boomer alive, Jason cowardly runs off and it's up to Brady to convince Mason and his pregnant self to come back and save Boomer. When Mason arrives, he and King Brady are captured by tarantula people. The Jason's water skuter falls on two tarantula persons, and Jason falls on other two.