Wizards of Waverly Place (2007)

S3E1 Franken Girl

Tired of Alex's incessant rummaging through his belongings, Justin decides to construct a female creature designed to protect his space and mimic Alex's thought process. Unfortunately, Justin's scheme takes an unexpected turn when the monster and Alex hit it off and form an unbreakable friendship, leaving him feeling outnumbered and perplexed by the turn of events.