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"SHARK TANK" SEASON FINALE IS DOUBLE THE FUN WITH TWO ALL NEW BACK-TO-BACK EPISODES, FRIDAY, MAY 17 ON ABC

The Season Finale of the hit business reality show "Shark Tank" will feature two back-to-back episodes, starting at 8:00 p.m., ET on Friday, May 17.

Also, in the first "Shark Tank" Extra, a clip of the pitch from "Phineas and Ferb's" nefarious Dr. Heinz Doofenshmirtz will air during the show. The evil scientist comes to the Tank with an opportunity for the Sharks to invest in his latest "inator" invention. The full three-minute video can be seen beginning Friday, May 17 on ABC.com, You Tube, YouTube/ABC Network, Disney.com and YouTube/Disney.

There's more! During Friday's two-hour event, there will be an update on some of the big business success stories to come out of the Tank, as well as letting viewers know about the upcoming casting call in Los Angeles on May 24. For further casting information, please check out http://abc.go.com/shows/shark-tank/casting.

In "Episode 423," airing 8:00-9:00 p.m., ET, the pitches include two women whose jewelry line was inspired by their experience in the military and an American who believes he's perfected a traditional English treat.

In "Episode 424," airing 9:00-10:00 p.m., ET, the Sharks circle around two business school graduates to get a piece of their language translation app, and the Sharks' in-fighting results in an unexpected conclusion.

The Sharks in "Shark Tank" are Barbara Corcoran, Mark Cuban, Lori Greiner, Robert Herjavec, Daymond John and Kevin O'Leary.

"Shark Tank" is broadcast in 720 Progressive (720P), ABC's selected HDTV format with stereo sound. These programs carry a TV-PG parental guideline.

For more information on "Shark Tank," visit ABC.com.