*** EPISODE CHANGE ***

AS THE SHARKS CIRCLE AROUND TWO BUSINESS SCHOOL GRADUATES TO GET A PIECE OF THEIR APP THAT HELPS GLOBAL COMMUNICATION, THEIR IN-FIGHTING RESULTS IN AN UNEXPECTED CONCLUSION, ON ABC'S "SHARK TANK"

Also, in the First "Shark Tank" Extra - A Sneak Peek from the Three-Minute Video of "Phineas and Ferb's" Dr. Doofenshmirtz's Trip to the Tank, Pitching the Sharks His Latest "Inator" Invention

"Episode 424" - The Sharks circle around two Wharton School business graduates to get a piece of their app which provides international travelers access to live translators. An 11-year-old "kidpreneur" from Stamford, CT asks the Sharks to invest in his after school business -- all-natural dog treats inspired by his pet dog. A busy, single lady from Los Angeles has a way to help find love through her dating website designed to attract quality singles. And two buddies from Cincinnati, OH hope the Sharks will bite into their franchise business specializing in gourmet grilled cheese and tomato sandwiches, on "Shark Tank," FRIDAY, AUGUST 9 (8:00-9:00 p.m., ET) on the ABC Television Network. (Rebroadcast. OAD: 5/17/13)

Note: This episode replaces "421" which moves to Friday, August 23 (9:00-10:01 p.m., ET).

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.

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

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

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