Nickelodeons Ultimate Halloween Costume Party is a 2015 Halloween Special that aired on Nickelodeon on October 2015.
Plot[]
The cast of Game Shakers hosts the ultimate Halloween party complete with all your favorite Nickelodeon celebrities, haunting Halloween games, a performance from Rachel Platten, and amazing do-it-yourself experts who will show you a ton of cool tips and tricks on how to throw your own Ultimate Halloween bash. So grab your costume, party's just getting started!!