Start Your Engines (a.k.a.) The Brady 500 (1)

Cindy is a morning radio DJ, and Bobby is now a race car driver. He makes it to the Nashville 500 where he is in a serious car wreck and paralyzed from the waist down. Marcia, her husband Wally (who has lost another job) and their kids move in with Mike and Carol. Peter breaks up with his business-minded fiancée Valerie (Mary Cadorette) and becomes a playboy. Jan and husband Philip try to get pregnant. Greg, following Bobby's car wreck, considers going back to medical school and changing his specialty to orthopedics.