Polarian-Denebian War 6: Prisoners of the Past Polarian-Denebian War 5: Our Ancestors From the Future Polarian-Denebian War 4: Space Commandos Polarian-Denebian War 2: Operation Aphrodite Polarian-Denebian War 3: The Man From Outer Space Polarian-Denebian War 1: The Time Spiral
