Part one of the three-part “Unbelievable Truth” finds Hourman taking his closest friends on a road trip through time! But their chrono-joyride is fraught with peril, as even a simple bathroom break in the 1950s turns into a criminal confrontation! And just wait until Bethany badgers Hourman into revealing who her future husband will be!
Hourman’s journey through the timestream with his friends is underway. Snapper Carr discovers one of the goals of this trip, to use up what’s left of the Timeship’s juice to travel through time, as the party enters the year 1954. The crew land for a bathroom break, and are accosted by Roy Munson, the police chief of Happy Harbor in 1954. When Munson tries to arrest Hourman, current chief Andrea Lee quickly drops him, using her martial arts skills. The group decides to leave quickly, before they run into more trouble.
After back into the timestream, Hourman's girlfriend Bethany Lee coerces Hourman to show them her future. Hourman brings the timeship into the future. However, instead of seeing Bethany together with Hourman, they find her future self together with Gary Lenin. Bethany is shocked, and both Chief Lee (Bethany's mother) and Gary are quite happy about the turn of events.
Meanwhile, in the 853rd century, time-travelling Rex Tyler is working on the next generation Hourman androids in his future company Tyler Chemorobotics. He is approached by the Batman of that era. After a brief skirmish, Batman shows Rex that his creation, Hourman, is squandering his time by taking his friends on a tour of the timestream and has confronted a policeman in the year 1954. Rex decides that Hourman is malfunctioning, and that the only course of action is to junk him.