The RBI travel to the plains of East Africa to investigate strange sightings of unbelievable animals, and find local people terrified of the unnatural animal cries they hear in the night.  With DUL agents hot on their trail, the RBI find themselves on one of their most scary missions so far as the adventure leads them to the mysterious lost island.

Reports of mysterious fires, exploding trees, and unexplained power outages in a remote Rocky Mountain town reach the RBI.  Is there any truth in the terrifying stories of a strange figure in the forest with sparks flying from his fingertips?  Using their own powerful skills, the RBI are tested to their limits on this sizzling adventure.

The RBI team begin to link together the hidden clues they have found on their last few missions, and the results point them toward Antarctica and an ancient ice station.  However, terrible blizzards, floating pack ice, and a creature that swims with the seals make their hunt for a lost artifact anything but easy!

Sightings of something strange soaring through the skies over London send the RBI on a mission to England’s capital city.  Soon the agents find themselves caught up in high-speed car chases, gliding above the River Thames, and tackling a gang of jewel thieves as they try to track down the mysterious flying creature.

The Florida swamplands are home to hungry gators, wild electrical storms, and a most unusual creature. Sightings of a strange lizard-like animal reach Ripley High and the RBI are sent to investigate. During their search, the RBI agents find themselves in the middle of a high-speed airboat chase, a swarm of rats, a mysterious treasure hunt, and DUL agents in disguise. But then that's nothing unusual when you're a member of the RBI!

The coast of Japan is being terrorized by a mysterious creature. The RBI are sent to investigate sightings of red glowing eyes that peer out of sea mists and an enormous beast that breathes fire and tramples cars. A trip to Japan reveals a bizarre inventor and stories of a slumbering sea dragon. Is their mission linked to the old legend of the "Dragon's Triangle" and its tales of disappearing ships?

A plane crash ten years ago and reports of a strange wolf boy lead the RBI to the wilds of China and to a girl who thinks that the creature might be her long-lost brother. But the mountains and surrounding jungle are full of dangers. Can the team brave hungry tigers, snarling wolves, and treacherous ravines to uncover the truth? A dangerous mission for the RBI!

In an eerie underwater cavern, human hands reach out from the seabed searching the dark water. The RBI are sent on a watery quest to get to the bottom of this unsettling mystery. Strange happenings on the sea at night, an angry school of sharks, and terrifying zombie ghost stories all add to the challenges faced by the team on this creepy new mission. Will the RBI uncover the truth?