Young girl Mari, her best friend and her best friend's brother use a special compass to travel through history on a quest to find Mari's missing father while coming face to face with scientists who made key advancements in the study of electricity.
EPISODE 1
Gilbert the Sage
Mari and Waka plan on making a cake, but plans fall apart when Mari opens a mysterious book that sends her flying back in time.
EPISODE 2
Sorrowful Gilbert
Mari hangs out with Dr Gilbert while he discusses theories about the Earth's magnetism. Meanwhile, Waka and her brother look through Mr Hayase's lab for any trace of Mari.
EPISODE 3
Franklin's Spirit of Defiance
A lesson about Ben Franklin leads Mari to meet the man himself as she assists him with the kite experiment.
EPISODE 4
Volta On the Battlefield
Mari encounters an unexpected guest of Alessandro Volta and discovers some more details that could lead her to her father's location.
EPISODE 5
Disheartened Faraday
Waka's wish to travel back in time is fulfilled, but things do not go exactly the way she had expected.
EPISODE 6
Faraday's Resolve
While Waka is still trapped in 19th century London, she is taught a valuable lesson about dedication and moving past failure.
Aki Toyosaki
Kotobuki Minako
Tomoaki Maeno
Wataru Hatano
Shotaro Morikubo
Shin'ichirô Miki
Tōru Ōkawa
Haruka Tomatsu
Toshiyuki Morikawa
Yui Fukuo
Akira Ishida
