Catch up TV on Demons. Watch the latest and all other episodes of Demons now online, broadcasted on ABC3. Catch up on your favorite ABC3 TV show: Demons. Replay tv on its best! The smiting duo is assisted in their endeavours by Mina Harker, a beautiful, blind concert pianist with mysterious powers. Caught up in the action is Ruby, Luke's best friend. CAST: Zoe Tapper.