Downton Abbey is off to a roaring start this season. The Crawley clan returned to the UK’s ITV Sunday night for the 2nd episode of Season 4 with 9.6M average viewers, a 100K jump on last week’s premiere episode, and a 39.4% share. That was also a huge 1.5M more viewers than tuned into the 2nd epsiode of Season 3 last year, according to overnight ratings. Last week’s debut episode scored a series premiere high of 9.5M viewers and a 39.6% share; 900K viewers up on Season 3′s start. Season 3 is thus far the show’s highest-rated in the UK with consolidated ratings averaging 11.9M viewers for a 40% share. It was also PBS’ highest-rated drama ever with a total of 24M viewers and an average season audience of 11.5M.