Bob finds his friend Frank, an expert hunter, in the Cretaceous period when dinosaurs still ruled the earth.
Terror at Manicouagan
The Secret of the Antarctic
Three Little Monkeys
The Dinosaur Hunters
Operation Wolf
Solar System Sentinels
Vapours from the Past
Teeth of the Tiger
Harvest of Disaster
The Mysterious Dr. Xhatan
Xhatan, Master of Light
The Crown of Golconda
The Yellow Shadow
Sword of the Paladin
Revenge of the Yellow Shadow (1)
Judgement of the Yellow Shadow (2)
The Towers of Crystal
Terror Commandos
Return of the Yellow Shadow
Puppets of the Yellow Shadow
Rendezvous Nowhere
Operation Atlantis
The Walls of Ananke (1)
The Perils of Ananke (2)
The Angels of Ananke (3)
The Last Wall (4)