Episode 119 of "Malcolm in the Middle"
s06e12 Living Will

Hal is named executor of his neighbor's living will and must decide whether to keep him on life support or pull the plug. In attempting to make the decision, Hal discovers he is incapable of making decisions on his own because he always defers to Lois. Meanwhile, Craig asks Malcolm, Reese and Dewey to teach him how to fight dirty since a bully from his childhood is coming to town.