Ryotaro Nogami transforms into Kamen Rider Den-O traveling to different times using the time-traveling train DenLiner to battle the Imagin monsters and preventing them from altering the past to affect the present and future.
1972
1989
1986
2009
2001
1979
2019
2024
2022
2020
1993
2023
2021
1971
2005
1980
1967