TEAMS BATTLE THEIR FEAR OF HEIGHTS WHEN THEY ARE FORCED TO JUMP OFF ONE OF THE WORLD'S TALLEST FREE-STANDING STRUCTURES IN ORDER TO RECEIVE THEIR NEXT CLUE, ON "THE AMAZING RACE: ALL-STARS," APRIL 22 ON THE CBS TELEVISION NETWORK

"Good Doing Business With You" -- Teams come face-to-face with their fear of heights during a harrowing Roadblock that finds the Racers plunging over 600 feet in the highest "descender" jump in the history of the Race, on THE AMAZING RACE: ALL-STARS, Sunday, April 22 (8:00-9:00 PM, ET/PT) on the CBS Television Network.

Meet the Teams for THE AMAZING RACE: ALL-STARS (listed in no particular order):

Kevin O'Connor and Drew Feinberg (SEASON 1) - - ELIMINATED 2/25

Relationship: Lifelong Friends

Hometown: Kevin (Bayonne, N.J.); Drew (Staten Island, N.Y.)

Age: Kevin (40); Drew (41)

Occupation: Kevin (Forensic Accountant); Drew (Senior Court Officer)

Results from Season 1: 4th Place

America's favorite fraternity brothers are all grown up and married. They fell just short of the million dollars the first time around and are eager for another shot.

Oswald Mendez and Danilo Jimenez (Danny) (SEASON 2)

Relationship: Best Friends

Hometown: Oswald (New York); Danny (Miami)

Age: Oswald (36); Danny (41)

Occupation: Oswald (Advertising); Danny (Paralegal)

Results from Season 2: 4th Place

These best friends from Season 2 had a falling out several years ago, but have since mended their relationship and claim to be better friends now than they've ever been during their previous 12 years of friendship.

John Vito Pietanza and Jill Aquilino (SEASON 3) - - ELIMINATED 2/18

Relationship: Formerly Dating

Hometown: John (New York); Jill (New York)

Age: John (32); Jill (29)

Occupation: John (Trader); Jill (Product Controller)

Results from Season 3: 5th Place

Season 3's John Vito and Jill are back for another chance at winning the $1 million prize. What's different this time around? These former lovebirds are no longer romantically involved.

Uchenna Agu and Joyce Agu (SEASON 7) - - ELIMINATED 4/8

Relationship: Married

Hometown: Houston

Age: Uchenna (42); Joyce (46)

Occupation: Uchenna (Land Developer); Joyce (Sales)

Results from Season 7: Winners

Uchenna and Joyce are one of the most beloved teams from any season of Race. The winners of Season 7, Uchenna and Joyce were relentless and stopped at nothing to win the $1 million prize... including shaving their heads.

David Conley, Jr. and Mary Conley (SEASON 10) - - ELIMINATED 3/4

Relationship: Coal Miner and Wife

Hometown: Stone, Ky.

Age: David (33); Mary (32)

Occupation: David (Coal Miner); Mary (Homemaker)

Results from Season 10: 6th Place

Everybody's favorite coal miner and his wife are back for another trek around the world. David and Mary, the lovable, wide-eyed couple from Stone, Ky. are ready to compete and believe they have what it takes to bring home the $1 million prize for their children.

Charla Baklayan Faddoul and Mirna Hindoyan (SEASON 5)

Relationship: Cousins

Hometown: Towson, Md.

Age: Charla (30); Mirna (30)

Occupation: Charla (Real Estate Investor); Mirna (Attorney)

Results from Season 5: 6th Place

Charla and Mirna captured America's hearts the first time around. They are proud of the way they played the game and look forward to another trip around the world together.

Rob Mariano and Amber Mariano (SEASON 7) - - ELIMINATED 3/11

Relationship: Married

Hometown: Pensacola, Fla.

Age: Rob (30); Amber (28)

Occupation: Rob (TV personality/host/pursuing a career in TV); Amber (TV personality)

Results from Season 7: 2nd Place

America's Sweethearts met, fell in love and got married...all in front of the cameras, beginning with the filming of Survivor: All-Stars, where Rob finished in second place to Amber. They finished as the runners-up to Joyce and Uchenna in Season 7. To what lengths will Rob and Amber go to avoid finishing as runners-up yet again?

Teri Pollack and Ian Pollack (SEASON 3)- - ELIMINATED 3/25

Relationship: Married Parents

Hometown: Palm City, Fla.

Age: Teri (53); Ian (54)

Occupation: Teri (Homemaker); Ian (Private Investigator/Retired Police Lt.)

Results from Season 3: 2nd Place

Second place in Season 3 just wasn't good enough for this dynamic duo. Teri and Ian are still the oldest players to ever finish in second place in the Amazing Race and they are back to show that they haven't lost a step.

Eric Sanchez and Danielle Turner (Dee) (SEASON 9 -- Separate Teams)

Relationship: Dating

Hometown: Eric (Deerfield Beach, Fla.); Danielle (Staten Island, N.Y.)

Age: Eric (28); Danielle (23)

Occupation: Eric (Waiter); Danielle (Bartender)

Results from Season 9: Eric (2nd Place), Danielle (7th Place)

This unique duo met while racing against each other during Season 9. During their travels, they developed a bond which evolved into a romance and the two have been dating for the past year. Will the combination of big-city girl and self-proclaimed "beach bum" be a force to reckon with or will the other Teams discount this new pair who has never raced together as Team?

Joe Baldassare and Bill Bartek (SEASON 1) - - ELIMINATED 4/1

Relationship: Life Partners

Hometown: Laguna Niguel, Calif.

Age: Joe (56); Bill (53)

Occupation: Joe (Owns his own Minerals Trading Company); Bill (Realtor)

Results in Season 1: 3rd Place

"Team Guido" from Season 1 returns for another attempt at the $1 million prize. Claiming they've had their bags packed since they returned home from the first season, they are ready to go!

Dustin Seltzer and Kandice Pelletier (SEASON 10)

Relationship: Beauty Queens

Hometown: Dustin (Seattle); Kandice (New York)

Age: Dustin (25); Kandice (25)

Occupation: Dustin (Grad Student); Kandice (Student at NYU)

Results from Season 10: 4th Place

These former Beauty Queens are back for a second chance and are more determined than ever to prove to the world that they aren't just pretty faces. Proven to be fierce competitors during the 10th installment of Race, Dustin and Kandice are focused and have their sights set on becoming the first all-female team to win the $1 million prize.

Jerry Bruckheimer, Bertram van Munster, Jonathan Littman and Hayma Screech Washington are the executive producers for Bruckheimer Television and Earthview Inc., in association with ABC Television Studio and Amazing Race Productions. THE AMAZING RACE was created by Bertram van Munster and Elise Doganieri.

RATING: To Be Announced