Season 3
Declan will be appearing in episode 18, Carentan. A short episode description is now available for the season finale, Into The Black.
Season 4
There are several tidbits for as yet unknown episodes including Lee Wilson directing an episode and Martin Wood will be writing an episode.
Episode 3 is written by Gillian Horvath.
Episode 4 will be a big episode directed by Martin Wood plus on the set pictures.