The series began in the middle of a game of hide and seek, as a young boy named Justin Casey (Gen) finishes counting and begins searching for his friends Angela (usually called Angie) and Corkey Roberts (Kanna and Tsukubo Natsuyama).

As he searched for the brother and sister in the wooded area, a storm occurred all of a sudden. Justin managed to sneak up on the two before the rain started pouring, forcing them to run for cover. They would eventually find a house in the wooded area, previously unseen according to Justin. At first glance it appeared nobody was home after entering the house, until they discovered a robot named Solar Ion Robot (Kadenchin), or the acronym SIR. They would soon meet the owner of the house, Professor Humphrey Bumble (Dr. Tokio Taimu), who introduced the children to his greatest creation, a time machine. Professor Bumbles attempt at recreating Benjamin Franklins famous lightning experiment with the use of a kite flying outside the house to get the machine working only led up to SIRs temporary change in personality before sending the entire house on course for the past.

The children never realized how long the journey back home would be due to Professor Bumbles misguidance and errors in time travel, but in the meantime they witnessed and participated (with little or no consequences) in numerous events in the Bibles New Testament, from John the Baptists birth to the rise of the Apostle Paul.

(Source: Wikipedia)