Taco Bell: Free Doritos Locos Taco 10/30 10/26/2012 By MFA Leave a Comment This post may contain affiliate links, please see my disclosure policy. A base was stolen in the World Series so we all get a free taco! Just stop by Taco Bell on October 30th to get a free Doritos Locos Taco. The promotion is from 2pm to 6pm. Find a Taco Bell location here.