Roger Smith acts as a negotiator in a city where everyone has lost their memories and keep it that way. When he isn't helping hostage situations, he's saving the day in a giant robot known as Big O. Although Roger has no idea why the "megadeus" (Big O) responds to his commands or why his butler seems to be a master at fixing the high tech machine, he starts to question the forgotten past after the events started by an unsual case involving an android called R Dorothy. While he and Dorothy begin a Henry Higgins/Eliza Dolittle style of friendship, villains and mysterious characters enter with clues leading up to something that may bring out an emotion Roger has tried to fight all of his known life - fear.
Good guys still wear black
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Did You Know?
Originally a thirteen-episode series, positive fan response internationally resulted in a second season co-produced by Cartoon Network, Sunrise, and Bandai Visual. The full 26-episode series re-aired from the beginning starting October 1, 2002 in Japan. See more
We have choices. Some people like to stand in the rain without an umbrella. That's what it means to live free.
During the closing credits at the end of the first episode, Roger is shown sitting alone on a large hourglass. After R. Dorothy joins his household, subsequent episodes show them sitting together. See more
Opening theme (first season)
Performed by Rui Nagai
Lyrics, music and arrangement by Rui Nagai See more