Ep. 43: Klaus flees after removing his transmitter, prompting Atom and Delta to pursue him for a vaccine.
Aired on February 8, 2004

43
Klaus, a robot designed for undercover work, removes his transmitter and runs away, but a virus disables him without it. Atom and Delta chase him to deliver a vaccine before his memory is erased and he undergoes renewal. Klaus has awakened to human emotions and yearns to live as a human. He fled to hear a song he deeply loved, but his location is unknown. Atom must find Klaus quickly to administer the vaccine in time. Meanwhile, Cutter pursues Atom to stop him, unhappy with Klaus’s actions. The outcome of this urgent pursuit remains uncertain as time runs out for the robot seeking humanity.
Episodes
- Ep. 39 · Time Hunters Atom and Uran travel to the past to rescue a baby mammoth from future hunters.
- Ep. 40 · Robot Hatred / Escape from Volcano Island
- Ep. 41 · A giant robot linked to a past accident is discovered in the Snowfield in the Sky.
- Ep. 42 · Atom travels to Steel Island to stop Lamp and the Blue Knight from destroying each other.
- Ep. 43 · Klaus flees after removing his transmitter, prompting Atom and Delta to pursue him for a vaccine.
- Ep. 44 · Atom and friends investigate robot silence in Mayura after rumors of a dragon in Tohron Forest
- Ep. 45 · Misunderstanding leads to robot dismantling order as Blue Knight intervenes
- Ep. 46 · Blue Knight Establishes Robotania in Antarctica Amidst Rising Human Hostility
- Ep. 47 · The Decisive Battle of Antarctica and the Showdown at Robotania