VIDEO: Sneak Peek - Sean Hayes Guests on NBC's UP ALL NIGHT

On the Halloween episode of NBC's UP ALL NIGHT titled 'MA'AM'D,' Ava (Maya Rudolph) learns her neighbors aren't so fond of her, she teams up with Walter (guest star Sean Hayes) to give the neighborhood a haunted house like they have never seen before. The episode airs Thursday, October 25th at 8:30 pm/et on the NBC network. Get a sneak peek below!

Also on the episode, after failing to get Chris's (Will Arnett) attention, Reagan (Christina Applegate) worries that she is losing her romantic touch and a visit to the dentist (guest star Tony Hale) gives her a much needed confidence boost. 

Hayes is best known for his role of Jack on "Will & Grace." His portrayal garnered him an Emmy Award (along with six nominations), four Screen Actors Guild Awards, and received seven Golden Globe nominations. Hayes' other notable television projects include well received guest roles on "Scrubs," "30 Rock" and "Parks and Recreation," as well as "Martin & Lewis" a television film that starred Sean as Jerry Lewis for which he earned a Screen Actors Guild Award nomination.

In 2011, Hayes received a Tony nomination for Best Actor in a Musical after making his Broadway debut, in the wildly successful "Promises, Promises" alongside Kristin Chenoweth. That same year, he won an Emmy Award for hosting the Tony Awards. Previously, Hayes was seen on stage in New York in the New York City Center production of "Damn Yankees" with Jane Krakowski and Cheyenne Jackson. 

This past spring, Hayes starred as Larry in the Farrelly brothers' popular comedy reboot, "The Three Stooges." Previous film credits include "The Bucket List" opposite Jack Nicholson and Morgan Freeman, "Billy's Hollywood Screen Kiss," "Pieces of April," the voice of Mr. Fish in "The Cat in the Hat," "Win a Date with Tad Hamilton," "Igor," "Soul Men" and the voice of Mr. Tinkles in the box-office hit "Cats and Dogs."