Dog Wanted / Pleasant Puppy Dreams / Stray Dog - S1.E18

Dog Wanted: In this flashback-filled episode, Wendy unknowingly leaves Poochini in the car, and when Walter and Billy can't find him, they think he is lost. To make matters worse, Poochini is locked in the car and needs to go to bathroom. Pleasant Puppy Dreams: Poochini daydreams about his previous life of luxury, and Billy keeps waking him up.