CREATE TABLE table_30964 ("Episode" FLOAT, "Broadcast date" TEXT, "Guest ( s ) " TEXT, "Singer ( s ) " TEXT, "Ratings" TEXT)

who guest starred on the episode with a 1.44m rating
SELECT "Guest(s)" FROM table_30964 WHERE "Ratings" = '1.44m'
SELECT "Guest(s)" FROM "table_30964" WHERE "Ratings" = '1.44m'