American Dad! (2005)

S12E3 Scents and Sensei-bility

Steve and Snot are tired of being pushed around and decide to join a karate class for some self-defense. However, things take a turn when the sensei manipulates Snot’s mind, leaving Steve determined to rescue his friend. Meanwhile, Klaus finds himself struggling with a terrible smell, leading to the unfortunate situation of being banished to the outdoors as a pet.