Betty (The Idiot's Lantern)

Betty was Eddie Connolly's sister who, with her husband John and pet terrier, visited Eddie's house to watch the Coronation on his new television set. She suggested that Eddie should beat his son, Tommy, to stop him growing up a 'mummy's boy'. Betty, along with everyone else watching the Coronation, nearly had their faces sucked into the television by the Wire, but were saved by the Tenth Doctor. (DW: The Idiot's Lantern)