Dancing With The Stars” is headed into uncharted waters for week 4. The ABC celebrity ballroom will feature a first-ever face-off competition this week, as well as an abbreviated, one-hour performance episode due to the Presidential Debates that will take over all of the major networks at 9 p.m.

While “Dancing With the Stars” has hosted face-off challenges before, never before has it worked the way that it will work this week. For Monday’s shortened episode, the remaining 12 couples will be pitted against each other in sets of two, each performing the same dance style. The highest-scoring couple from each pairing will be deemed safe from elimination at the end of the episode and they won’t have to worry about being sent home on Tuesday night’s episode.

How will the “Dancing With the Stars” face-off play out?

For the Week 3 show, the couples will compete in sets of two to dance to the same dance style. The only difference is, each couple in the set will dance to a different song. Due to time limitations, the performances will be shorter than usual and will switch back and forth between the couples before the judges’ scores determine who is safe and who is in jeopardy for Tuesday night.

What if there’s a tie score?

There is no word on what would happen if there is a tie among Carrie Ann Inaba, Len Goodman, Julianne Hough and Bruno Tonioli’s scores, but it’s safe to assume that the “DWTS” judges will make sure that doesn’t happen. Incidentally, the judges do see the performances ahead of the live show when they sit through the dress rehearsal.

It’s likely that, barring a major flub by one of the couples, the judges will have an idea of which couple is worthy of moving on even before the live performances even begin.

Some longtime “Dancing With the Stars” fans feel that the face-off show will give the judges too much power, as they will initially determine which six couples will move on and get to vie for viewer votes.

Indeed, if “DWTS” production wants to keep a particular couple safe, this is the week to do that.

What are the “Dancing With the Stars” face-off pairings?

Here is the list of the Week 3 match-ups:

Jana Kramer & Gleb Savchenko v. Kenny “Babyface” Edmonds&AllisonHolker— Jive

Laurie Hernandez & Valentin Chmerkovskiy v.

Marilu Henner & Derek Hough –Tango

James Hinchcliffe & Sharna Burgessv. Ryan Lochte & Cheryl Burke–Cha Cha

Calvin Johnson Jr.& Lindsay Arnold v. Terra Jolé & Sasha Farber–Viennese Waltz

Maureen McCormick & Artem Chigvintsev v. AmberRose & Maksim Chmerkovskiy—Salsa

Vanilla Ice&Witney Carson v. Rick Perry & Emma Slayer–Paso Doble

“Dancing With the Stars” airs Monday and Tuesday at 8 p.m. ET on ABC.

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