Tremble those gladdies, possums. Our dear Dame Edna is departing. She's not shaking off this mortal coil (for her that somehow seems tacky), but she is saying a final goodbye. Sort of. Dame Edna's Glorious Goodbye: The Farewell Tour is playing SHN's Orpheum Theatre through Sunday, Feb. 22, and while it feels like comic business as usual for Australia's greatest import since Vegemite, there is something final-feeling about this farewell.