Teaser: Joey and the girls play baseball. Main Synopsis: Michelle wants to learn how to ride her bicycle without the training wheels on it, and Joey volunteers to teach her. During the bicycle lesson from Joey, Michelle crashes into a bush and gets a scrape on her hand, and she tells Joey that she doesn't trust him anymore, but Joey encourages Michelle to continue to learn how to ride her bike, and convinces her to trust him. Meanwhile, Becky and Jesse take Nicky and Alex to visit Becky's aunt Ida, and they end up taking almost everything in Nicky and Alex's bedroom with them. Also, Danny and Vicky become closer.

Roseanne and Jackie go to Kansas City to visit their father's mistress; Dan intends to beat up Becky's obnoxious boss.

NOVA follows the efforts of four participants in a celebrated California study to unblock arteries without using drugs or surgery before their heart disease becomes fatal. A studio segment featuring experts with varying medical views will air as part of the 60-minute program. ABC News Medical Correspondent George Strait moderates.