Atlantis not returning for third series Watch exclusive Atlantis series 2 clip Atlantis episode 13: Digital Spy review 'Atlantis' renewed for second series 'Atlantis' episode 3 review 'Atlantis' review: A gift from the gods? 'Atlantis': New BBC drama - pictures 'Atlantis' to air on BBC America 'Merlin': How dark is too dark? 'Merlin' writers 'know how show ends' 'Merlin' exec on shock character return 'Merlin' execs: 'Show needed to grow up' 'Merlin' Colin Morgan on film trilogy New 'Merlin' trailer released - watch 'Game of Thrones' star for 'Merlin' role Liam Cunningham to appear in 'Merlin'? 'Merlin' to end after five years? 'Merlin' movie in the works?