Mardi Gras

Mardi Gras was a carnival which took place in New Orleans. Carnival-goers would wear masks and costumes.

The Sixth Doctor and Peri Brown arrived in New Orleans during the Mardi Gras festivities in 1932, where the carnival-goers were being turned into zombies. (PROSE: Mardi Gras Massacre)

Behind the scenes
In the real world, Mardi Gras is celebrated on the same day as Shrove Tuesday.