On the planet Alzarius in the alternate universe of E-Space, the Doctor, Romana and K9 find survivors of a crashed starliner, strange creatures lurking in the marshes and a genetic riddle which stretches back centuries.
1995
2009
1992
1984
2004
2008
2005
2006
1996
1993
2001
2000
1975
2023
2024
1973
1933