Oh my frips and twilligers, is Downton Abbey finally done for? DOWNTON ABBEY: THE GRAND FINALE: STREAM IT OR SKIP IT? Gus has a few cocktails with Lady Mary and next thing you know, they wake up next to each other in states of undress. As Mary, Harold and Gus arrive at Downton Abbey, things happen that require much heavily mannered discussion. Memorable Dialogue: Harold struggles to penetrate a novel out of the Downton Abbey library:Harold: Is there a murder-mystery I could read?