After D.J. gets pushed around by the town bully, Dan steps in to teach him the basics of self-defense. Recently dumped by Darlene, David is acting strange -- possibly compensating for a shattered ego. Surprisingly, Dan learns that David's new manly interests are really attempts to bond with him. And, Roseanne and Jackie travel to Darlene's apartment for an unexpected visit...to scrutinize her new boyfriend, Jimmy.
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