9-1-1: Lone Star: Season 4, Episode 8

4 - 8: Control Freaks

The 126 must rescue a father/son involved in drivers ed lesson gone haywire, then encounter a self-help guru who has lost his self-control. Meanwhile, Owen turns into a "Dadzilla" in helping plan T.K. and Carlos' wedding, and Marjan is suspicious when she meets a couple on her road trip.