Eighteen of MTV's most loved -- and hated -- former Real World contestants are ready to find out what happens when people stop being polite and start getting real . . . in an effort to win $250,000!

Competitors in Bodrum, Turkey vying for The Challenge: Battle of the Seasons' $250,000 prize starting September 19 include Challenge veteran Wes Bergmann -- who aims to defeat his Real World: Austin costars Lacey Buehler, Danny Jamieson and his wife, Melinda Stolp.

"These people really are as dumb as they look," muses Bergmann of his rivals in the season's explosive preview trailer above.

Agrees Real World: San Diego's Ashley Kelsey of the atmosphere in Turkey: "I feel like I'm living in an insane asylum!"

Watch the clip above to find out what other wild drama is in store this season on The Challenge before the "Battle of the Seasons" installment premieres September 19 at 10 p.m. (EST) on MTV.

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This article originally appeared on Usmagazine.com: 28 Former Real World Stars to Compete on MTV's The Challenge