The Challenge (Season 23)
Legends will fall. A new champion will rise.
Each Challenge pits numerous cast members from past seasons of reality shows against each other, dividing them into two separate teams according to different criteria, such as gender, which show they first appeared on, whether or not they're veterans or rookies on the show, etc. The two teams compete in numerous missions in order to win prizes and advance in the overall game.

Tis the Season (Episode 1)
Air date: 2012-09-19
Runtime: 42 min
Overview: Cast members from The Real World's most memorable seasons come together for an all out battle for Real World supremacy, but an early twist could shake things up. Plus- a surprise hook up and a fight that involves the entire house.

The Perks of Being a Rookie (Episode 2)
Air date: 2012-09-26
Runtime: 42 min
Overview: Divorced exes Danny and Melinda struggle to work together and help shine a light on Knight and Jemmye's similarly fractured relationship. Major alliances are revealed and one team crumbles under the pressure of elimination.

What Happens in Vegas... (Episode 3)
Air date: 2012-10-03
Runtime: 42 min
Overview: Two new couplings start brewing in the the Challenge house, one of which threatens to break apart a team AND ruin an entire alliance. And other season continues to break down, with one member exploding on her teammates.

The Dark Knight (Episode 4)
Air date: 2012-10-10
Runtime: 42 min
Overview: Knight launches a full on attack to get inside Nany's head and ends up tearing the house and his own relationship with Jemmye apart. And a pending elimination may spell the end for one of the house's budding romances.

N-A-R-C-I-S-S-I-S-T-I-C (Episode 5)
Air date: 2012-10-17
Runtime: 42 min
Overview: A trip into the Arena leaves two relationships in shambles. And after a trivia competition catapults challengers into the waters below, one team is forced to send members of their own alliance into elimination.

Going Insane (Episode 6)
Air date: 2012-10-24
Runtime: 42 min
Overview: Tensions mount between Frank and Alton. Later, Alton asks to be sent into the arena.

I Do Not Like You Sam I Am (Episode 7)
Air date: 2012-11-07
Runtime: 42 min
Overview: Frank and Zach berate Sam for her poor performance in a challenge; a surprising romance takes shape.

Honey, I'm Homeless (Episode 8)
Air date: 2012-11-14
Runtime: 42 min
Overview: Team members compete in an eating challenge.

The Chronicles of Nanyia (Episode 9)
Air date: 2012-11-28
Runtime: 42 min
Overview: Two teams face off in a diving competition.

A Woman Scorned (Episode 10)
Air date: 2012-12-05
Runtime: 42 min
Overview: The teams take desperate measures.

I Like to Move It, Move It (Episode 11)
Air date: 2012-12-12
Runtime: 42 min
Overview: The final four teams travel to Namibia, a country in southwestern Africa.

Operation: Desert Scorn (Episode 12)
Air date: 2012-12-19
Runtime: 42 min
Overview: Three teams compete in the final challenge.