Starring: Colin Baker, Bonnie Langford

When the Doctor and Mel visit the National Foundation for Scientific Research as it celebrates its centenary, Mel expects only to be able to catch up with her uncle. She doesn’t expect to meet her own ancestors...

Starring: Lalla Ward, Louise Jameson, John Leeson, Mary Tamm, Lynda Bellingham

Deep below the Capitol, Leela, confused and morose over the truth about her husband Andred, disturbs a malevolent power. Something from the Dark Days of Ancient Gallifrey. Something that wants to be reborn and will use any and every means available...