S16E13 Mobile Homer
Having been declared uninsurable because of his unhealthy life style Homer spends the money slated for the insurance on a mobile home,to Marge's annoyance. She makes him sleep in it so Lisa and Bart,seeing the rift it has caused between their parents,decide to return it. However it is difficult to handle and the worried parents,fearing an accident, give chase,ending up at the quayside. The marriage is saved...which is more than can be said for the mobile home.