Ween will play a four-night Halloween run in Boston and New York City, the band announced on Monday. The pair of two-night stands will be split between the new Roadrunner in Boston and NYC’s famed Beacon Theatre. The shows will mark the band’s debut at both venues.

The Halloween celebration begins at Roadrunner on October 28th and 29th before crossing state lines for shows at the Beacon on October 31st and November 1st. The band announced the concerts with an American Psycho-themed poster on social media with the caption, “I simply am not there.”

Pre-sale tickets for the HalloWEEN run are available beginning tomorrow, August 16th, at 10 a.m. ET. Tickets go on sale to the general public on Friday at 10 a.m. ET. Fans can register here for early access to Boston tickets or use the code “SOCIAL” for NYC tickets.

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This announcement comes on the heels of Dean and Gene Ween (Mickey Melchiando and Aaron Freeman, respectively), Claude Coleman Jr.Glenn McLelland, and Dave Dreiwitz‘s participation in the South Park 25th-anniversary concerts at Red Rocks Amphitheatre last week. Alongside Primus, the Boognish helped celebrate a quarter century of the groundbreaking cartoon with its creators Trey Parker and Matt Stone, delivering back-to-back concerts with songs from the show on August 9th and 10th.

Prior to the Halloween run, Ween will hit the Southeast for a one-off show at Asheville, NC’s Rabbit Rabbit (9/15) followed by two nights at The Eastern in Atlanta (9/16, 9/17). For tickets, visit the band’s website.