Monstober Spooktacular

Monstober Spooktacular is a Halloween themed weekend made for a crossover between almost all Disney Channel Original Series (of 2015). The crossover, which is set to air between 7 episodes, airs on October 2 and 4, 2015, features 2 different characters from each of the shows visiting one another; the plot device used to connect the 7 shows is a Halloween party in Central Park.

Shows

 * JESSIE
 * Girl Meets World
 * I Didn't Do It
 * K.C Undercover
 * Best Friends Whenever
 * Austin & Ally
 * Liv and Maddie

Plot(s)
JESSIE

When Jessie makes the Ross kids bring Stuart along for trick-or-treat he tells them a haunting story about Abigail, a ghost who is out to get them. One by one, the kids mysteriously disappear. Then, Jessie attends a masquerade party and a mysterious boy who she falls for.

Girl Meets World

Riley and Maya run into a somewhat old friend when they meet the ghost of the bay window—who just happens to be a flapper from the 1920s.

I Didn't Do It

When Logan and Delia attend a New York Science Presentation dressed as Albert Einstein and Marie Antoinette, they run into a crazy fortuneteller, at the city's biggest Halloween party. Meanwhile, Garrett takes Betty's nephew, Kevin, trick-or-treating.

K.C Undercover

Ernie and Judy's got a mission to intercept an evil wolf serum at the Central Park Spooktacular. Back home, K.C. and Marissa throw a Halloween shindig of their own, with K.C. deciding to dress up as a spy in the hopes of impressing River, the new boy in school.

Best Friends Whenever

Cyd and Shelby take a bite out of the Big Apple when they use Barry’s new invention to teleport themselves to the NYC Central Park Spooktacular.

Austin & Ally

The NYC Central Park Spooktacular inspires the gang to tell a few scary stories of their own.

Liv and Maddie

Maddie and Willow get ready for a Ridgewood tradition where high school seniors scare middle schoolers, while Liv has a run-in with a photographer when she attends the Central Park Spooktacular with Joey.

Trivia

 * This is the special Monstober 2015.
 * Hosted by BUNK'D cast (that hasn't got any episode).
 * The main location is the Central Park Spooktacular.
 * It's possible that more characters have met each-other (without being shown).
 * This is so far, the greatest Disney Channel crossover (counting it full).
 * There was a contest to win a Disney cruise, but finding how many times the masked man was hidden in the episodes.
 * There's been a final video revealing who is the masked man.