- 6.0/10(1 votes)
#2 - Invasion of the Earthmen
S6:E160 CommentsView allDirector:Don SharpWriter:Terry Nation - 5.5/10(2 votes)
#3 - Guardian of the Abyss
S1:E100 CommentsView allDirector:Don SharpWriter:David Fisher - 5.0/10(1 votes)
#4 - The Curious Case of the Countless Clues
S6:E190 CommentsView allDirector:Don SharpWriter:Philip Levene