Episode 1 - Brooklyn Bridging

Season 21 opens with eight strangers this season (not seven), moving into a home in Brooklyn.

Episode 2 - The Outs & Ins of Brooklyn

Katelynn comes out to some of the roommates, but she's not sure Chet and Ryan are open-minded enough to accept her. Meanwhile, Baya auditions for the Hip-Hop Dance Conservatory.

Episode 3 - The BFF-O-Meter

Episode 4 - Daddy Dearest and the Dueling Divas

Episode 5 - Friends and Enemies

Ryan is upset over a late-night prank which was pulled by JD.

Episode 6 - Battle of the Sexes

Ryan wants to know the secret which Katelyn has been keeping from him.

Episode 7 - Of Mice and Devyn's Men

The Brooklyn house receives a visit from Devyn's "semi-fiance" while still stringing along another guy. Meanwhile, Devyn receives payback for her cheating ways when guys pull a prank on her.

Episode 8 - Angry Boys and Dirty Girls

Episode 9 - Dilators, Dresses and Bow Ties

Episode 10 - Pole Dancing and Pedro

Katelynn thinks seriously about quitting the show and heading home.

Episode 11 - Saving a Private Ryan

As election day 2008 approaches, Ryan discovers he has been called back into duty in Iraq.

Episode 12 - Atlantic City, Baby!

Ryan must put his dreams on hold as he copes with the news of his redeployment to Iraq. Also: the roommates head to Atlantic City; Devyn gets a puppy.

Episode 13 - Saying Goodbye

The housemates prepare to move out as their stay in the house nears its end. Scott, Baya and Devyn plan to stay in New York, and move in together as roommates. Ryan prepares to report for active duty as part of Operation: Iraqi Freedom, but not before getting into an altercation at a bar. The women engage in one last war of pranks, with J.D. caught in the middle, and Ryan reacting with outrage. Despite the conflict, the group bonds one last time over Ryan's guitar music on their last night together, and enjoys some emotional exchanges as they each leave the loft the next day.

Episode 14 - Real World XXI Reunion

The program, hosted by Maria Menounos, featured all eight housemates. Ryan, whose appearance was a surprise to the other seven, is set to leave for Fort Bragg, North Carolina before leaving for Iraq. Sarah and J.D. returned to San Francisco and Miami, respectively, while Kat has gotten and job as an I.T. specialist at the University of Montana, and Baya has been producing music and deejaying. Among the topics discussed are how life has changed for the cast, the argument in the season finale, Sarah and Kat's unresolved issues with J.D., the gender conflict in the house, with Ryan and Chet taking issue with what they saw as Sarah's lack of sincerity and prejudice, and the cast's feelings about Ryan's recall. It is revealed that Ryan and Belle broke up, and that he and Baya are in a relationship