CREATE TABLE table_26591309_2 (first_broadcast_uk___bbc_four__ VARCHAR, official_barb_ratings VARCHAR)

When was the first UK broadcast when the official Barb ratings was 1085000?
SELECT first_broadcast_uk___bbc_four__ FROM table_26591309_2 WHERE official_barb_ratings = 1085000
SELECT "first_broadcast_uk___bbc_four__" FROM "table_26591309_2" WHERE "official_barb_ratings" = 1085000