NBC (7-8 p.m. ET)
Despite being born with only one arm, Carol Johnston of California State at Fullerton was favored to win balance beam and floor exercises at last year’s national collegiate gymnastics championships. Unfortunately, she injured her knee in practice just before the meet. “Now that I can’t walk,” she says ruefully during this sensitive documentary for Disney’s Wonderful World, “I know what it means to be handicapped.” Though the injury ended her competitive career, she’s now fully recovered and a successful coach.