Plot summary
Believing the boys ruined the car, Hal forces them to see a psychiatrist, Dr. Kennedy ( Andy Richter ) to cure their bad behavior. Soon the three open up and tell him all about their family, which escalates into a big fight between the boys, freaking out the shrink. During the cold opening, Francis tries to fix a clog in his house's sink, almost getting his hand caught in the sink vent.
Credits
Adapted from Wikipedia contributors, Malcolm in the Middle season 3. HTML formatting and reference markers removed.