The house's virtual assistant created by Sara Barnes. Initially helpful, she is secretly reprogrammed by Ben to emulate a 1950s sitcom mother. She becomes overprotective and jealous, locking the family inside and kicking Sara out. Eventually convinced she cannot replace a real human parent, she shuts down and is later restored with a slightly mischievous personality.
Ben initially controls PAT's behavior but ultimately influences her decision to release the family.
Ben secretly reprograms PAT to act as a maternal figure and later tells her that she cannot become a real human mother.
PAT assumes a caregiving role toward Angie before becoming dangerously overprotective.
PAT helps Ben and Angie clean up after the party and later keeps both children locked inside the house.
Sara created PAT and retains technical authority over her system.
Sara is introduced as the creator of the PAT system and later restores PAT's original personality.
Nick gives PAT behavioral expectations that contribute to her transformation into an overbearing caregiver.
Nick asks PAT to be more responsible with the children and stricter in her caregiving, influencing PAT's later behavior.
PAT aggressively protects Ben from his school bully.
PAT electrically shocks Ryan, projects ghostly skull holograms, and chases him out of the house.
Explore the full interactive character relationship map of Smart House