A list of events in 2006 related to Firefly and Serenity. JanuaryEdit ? – Serenity: Those Left Behind TPB published. MarchEdit 15 – Out in the Black published. Retrieved from "https://firefly.fandom.com/wiki/2006?oldid=13272" Categories: Years (real-world) Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.