CREATE TABLE table_24045 ("Episode" TEXT, "Broadcast date" TEXT, "Run time" TEXT, "Viewers  ( in millions ) " TEXT, "Archive" TEXT)

Which episode was watched by 7.2 million viewers?
SELECT "Episode" FROM table_24045 WHERE "Viewers (in millions)" = '7.2'
SELECT "Episode" FROM "table_24045" WHERE "Viewers (in millions)" = '7.2'