QUEEN CATHERINE IS ACCUSED OF ADULTERY — When King Henry (Alan Van Sprang) accuses Queen Catherine (Megan Follows) of treason and adultery, she sets out to save her life by exposing Bash’s (Torrance Coombs) dark past. Mary (Adelaide Kane) and Bash go on a quest to expose an even more deadly secret from Catherine’s past. Meanwhile, Nostradamus (guest star Rossif Sutherland) reveals the truth about the castle ghost, Clarissa (guest star Katie Boland), which shocks everyone. Anna Popplewell, Caitlin Stasey, Celina Sinden and Toby Regbo also star. Mike Rohl directed the episode written by Doris Egan.