Nickelodeon USA has announced the sponge-tastic news that, following the premiere of the brand-new hour-long SpongeBob Birthday Special, “ SpongeBob’s Big Birthday Blowout ”, an original mixed live-action and animated special, on Friday, July 12, at 7:00 p.m. (ET/PT) on Nick, Nicktoons and TeenNick, Nickelodeon will further treat fans by airing a behind-the-scenes special edition of “SpongeBob’s Big Birthday Blowout”, which will delve deep into the making of the all-new special, straight after at 8:00 p.m. (ET/PT)!It’s SpongeBob’s birthday in “SpongeBob’s Big Birthday Blowout,” which features for the first time the celebrated voice talent behind SpongeBob, Patrick, Mr. Krabs, Sandy, Squidward and Plankton - Tom Kenny, Bill Fagerbakke, Clancy Brown, Carolyn Lawrence, Roger Bumpass and Mr. Lawrence, respectively - playing live-action doppelgänger versions of the animated characters they voice on. In the one-hour special, Patrick and SpongeBob journey to the surface world, where they come across a few familiar characters during lunchtime rush at The Trusty Slab restaurant. Meanwhile, the Bikini Bottom residents set up a surprise party for SpongeBob. The special also features special guest stars, including David Hasselhoff (), Jack Griffo (), Daniella Perkins (), and Kel Mitchell ( All That ).Nickelodeon'scelebration forms part of the " Best Year Ever ", Nickelodeon's year-long global celebration commemorating 20 years of, one of the most iconic TV series and characters ever created, which will lead up to the Paramount Pictures and Nickelodeon Movies theatrical,, coming 2020.