If Mark Ballas makes one false move on the dance floor, his dad will be only a Texas two-step away from meting out discipline -- because we've learned Mark's father is returning to "Dancing with the Stars."
Sources connected with the show tell TMZ ... 49-year-old Corky Ballas -- a retired professional ballroom dancer -- will partner up with 76-year-old Florence Henderson beginning September 20.
It won't be the first time Mark will compete against his pop -- Corky partnered up with Cloris Leachman on the show back in 2008.
Carol Brady to Mark Ballas
Who's Yo Daddy?
8/27/2010 8:45 PM PDT BY TMZ STAFF
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