Coronation Street spoilers follow.Coronation Street has released a new teaser for a special episode of the soap that will air next week, focusing on Debbie Webster and her group of friends.The single-strand episode is a celebration of Debbie and her mates – Abi Webster, Christina Boyd, Bernie Winter-Alahan, Glenda Shuttleworth and Sally Metcalfe – whom she has affectionately named Debbie’s Angels.