WATCH: New World Series promo stars characters from 'The Simpsons'

With the World Series airing on FOX starting Oct. 27, the network has called in some of its biggest guns to headline a new ad promoting the Fall Classic.

The stars of FOX's "The Simpsons," which is in its 27th season, are featured in the spot.

Bart, Homer, Marge, Lisa, Maggie, Chief and Ralph Wiggum, Milhouse, Kang and Kodos and more step up to the plate in this amusing commercial, set in Springfield.

Check it out ... while Earth exists.