Porter's worried about Bobby's influence when Oscar decides he wants to be a bus driver instead of going to college. Since Oscar's been spending so much time with Bobby, Porter has been left with gaps in his day so Bobby suggests he get a hobby.

When Oscar and Rose are allowed to go to the movies by themselves, Rose persuades Oscar to sneak into an extra film without paying; and when Oscar inadvertently confesses, Porter decides to teach his son a lesson.

When Porter berates Bobby for not cleaning up after himself, Bobby reacts in a typical fashion: he hires a maid; Oscar pays Rose to do his chores.

Bobby's gross costume frightens Oscar more than he wants to let on, ruining his favorite holiday of the year. Bobby tries to comfort Oscar after a particularly bad nightmare.

Bobby is shocked when he fails his mandatory drug test, which leaves Oscar doubting the integrity of his football-playing uncle. The strictly drug-free Bobby is determined to clear his good name with the help of Porter and Dena. Guest star: Karl Malone.

When Bobby mocks Porter for putting encouraging notes in Oscar's school lunches just as their mother did to him, Porter realizes that his parents treated their sons very differently and had very different expectations of them.

Porter becomes depressed after he gives a talk on Abraham Lincoln to Oscar's class and literally bores the students to sleep; Bobby hopes to shine up his brother's image in class.

Porter scares off his blind date Gretchen; Bobby, Oscar and Rose try to convince Porter to ask Rose's mother Marilyn out.

Porter accidentally ruins Bobby's priceless championship-game football; Bobby gets kicked out and moves in with Dena.

When Porter and Bobby are both scheduled to appear on "Politically Incorrect With Bill Maher" on the same episode, Bobby humiliates Porter by stealing his notes. But Bobby finds himself in a desperate search for intelligence when he's invited back to the show, which includes political legend Dr. Henry Kissinger.

Porter's scheme to win Dena's heart by trying to outwit Gino begins to backfire on the lovesick professor. A small earthquake shakes up the usually unflappable Bobby, he demands to be traded.