In his next mission, Bon is off to the very distant past of 2592 B.C. Egypt, where he works with Ream to save the innocent Thoth from being buried alive.

After getting an earful from Ream about flaunting his new gear, Bon and team travel to 800 B.C. where they assist an ancestor's risky sea voyage to Japan.

In 1500 B.C. on Crete, Bon and Ream experience the dire consequences of neglecting their Time Boats. Will they be able to save their targets in time?

The crew takes a vacation to the late Jurassic period but ends up thwarting a poacher whose unrepentant hunting might threaten all of humanity.

Bon and Ream search for clues to their next target's identity in Tombstone, USA, where they must blend in with the 19th-century gunslinging crowd.

Eager to be a good mentor, Bon takes Yumiko on her first mission to Chichén Itzá in 1978. Will Bon’s new assistant make a good agent — or stir up trouble?

In 3319 B.C. Sumer, a young boy develops the beginnings of an ancient writing system — but his village is under threat from raiders and needs protection.

After Yumiko gets a promotion, the crew travels to 1229 B.C. Troy, to save their target. Bon's pride gets in the way when Yumiko comes up with a plan.