1: The Door to Infinity
2: Alien World
3: City of the Past
4: Perilous Secret
5: Slave of Sark
6: On the Martian Sea
7: The Sword
8: The Thing in the Dark
9: Galley of Death
10: The Searings
11: Dread Accusation
12: The Cursed One
13: Catastrophe
14: Daring Deception
15: Under the Two Moons
16: Voice of the Serpent
17: Caer Dhu
18: The Wrath of Rhiannon
19: Judgement of the Quiru
20: The Return