Production number 307, and was to be the 7th episode of the season, but was then scheduled to air as 6th episode of the season. After Hurricane Sandy, the episode went back to being aired in production order.
Danny says voodoo, while Lansing says Vodou because she had been posted in Haiti. Actually both pronunciations are correct, but Haitians do not say either. They refer to what Americans call voodoo as "following the loa," or "serving the loa.".