What is the date the episode of South Park that showed Randy and Sharon Marsh's address premiered?
Randy and Sharon Marsh:  According to the season 16 episode "Reverse Cowgirl", the Marsh home address is 260 Avenidas de los Mexicanos. Reverse Cowgirl (South Park):  It premiered on Comedy Central in the United States on March 14, 2012.
March 14, 2012