K.C. Undercover to crossover with Jessie and Austin & Ally

Disney Channel is having crossovers everywhere for Halloween

http://www.tvinsider.com/gallery/39758/sneak-peek-disney-channels-halloween-themed-monstober-episodes-photos/

For K.C Undercover:

Episode: "All Howl's Eve"

Ernie and Judy’s mission to intercept an evil wolf serum at the Central Park Spooktacular goes a little off-track when they meet Jessie’s Emma and Zuri. 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.

Crossover Guest Stars: Jessie’s Peyton List and Skai Jackson

Airs: Sunday, October 4th at 8/7c

Ernie and Judy to appear on Austin & Ally:

Episode: "Scary Spirits & Spooky Stories"

The NYC Central Park Spooktacular inspires the gang to tell a few scary stories of their own. Also, K.C. Undercover‘s Ernie and Judy make an appearance.

Crossover Guest Stars: K.C. Undercover‘s Kamil McFadden and Trinitee Stokes

Airs: Sunday, October 4th at 9/8c