Question: when are timewalking dungeons available?
Answer: Timewalking for The Burning Crusade content is available for characters level 71 and up; Wrath of the Lich King for level 81 and up.; Cataclysm for level 85 and up; Mists of Pandaria for level 91 and up; and Warlords of Draenor for level 101 and up.