What's Past Is Prologue

After his first test of the energy amplifier went awry, the 17-year old genius Bob Aken finds himself at Hiro Hamada's doorstep, 20 years in the future. Now, he's faced with the daunting task of hiding his true status as a time traveler from the smartest kid in San Fransokyo, creating a new identity for himself, and dealing with the local supervillains.

This goes through the movie plot, and the plot of BH6 the series S1! Also warning for depictions of violence later on.