СПОЙЛЕРЫ!Morgana will travel with Merlin, Arthur and Gwen in Episode 7.
Elyan sports a beard and dark-colored outfit in Episode 7.
Episode 8 marks the return of Gwaine who joins Merlin and Arthur on an adventure.
There is a scene between Gwen and Morgana in Episode 8 that takes place in the lower town.
Grettir (Warwick Davis) will be part of Episode 8.
Merlin sports a dirty face at some point during Episode 8.
Gwen's costume that she started wearing in Gwaine appears to get an upgrade in Episode 8.
Episode 9 features Pauline Collins as Alice. This character is the love interest from Gaius' past.
Alice has something to do with a decorative chest.