The Legend of Ruby Sunday is the penultimate episode of the season, and it’s time to do some detective work! The Doctor, Ruby Sunday, and UNIT set out to discover what is going on with Susan Twist and Ruby’s mother. Join Couch Soup contributors Iain McParland, Ben Hazell, Charlotte Merritt, and Drew Lewis as they discuss the episodes’ ups and downs. Will Susan Twist be “The One Who Waits”? Will we find out who Ruby’s mom actually is? We discuss everything from the latest episode, including a deep dive into forgotten villains' past, the confusion we feel with the mysteries yet to be solved, and wild speculation for the finale.