Why you should watch This Is Us, NCIS, and more
Celebrities are paired with professionals in a ballroom-dance competition, with one pair typically eliminated each week.
First Aired: October 16, 2012
The fourth-round results show. Included: a duet by Donny Osmond and Susan Boyle; and performances by LXD, Christina Grimmie; and Tito Puente Jr.
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