Sezon 4
Bölümler
1 Moving Pictures 9 Tem 1989 2 The Bicycle: The Green Machine 23 Tem 1989 3 Earth Calling Basingstoke 30 Tem 1989 4 New York! New York! 6 Ağu 1989 5 The Defender 20 Ağu 1989 6 Little by Little 27 Ağu 1989 7 Woomera 3 Eyl 1989 8 Not in the Stars 17 Eyl 1989 9 Race for the Top 24 Eyl 1989 10 Walk on Wheels 1 Eki 1989 11 Invasion of the Body Scanners 8 Eki 1989 12 Wheels of War 15 Eki 1989 13 Three Score Years and Then? 22 Eki 1989 14 Robotopia 29 Eki 1989 15 Fly-by-wire 5 Kas 1989 16 Deadly Force 12 Kas 1989