Doctor X no Jitensha Anzen Seminar
Type: OVA, Episodes: 1
Aired: 1995
Source: Original
Rating: G - All Ages
Synopsis:
Satoru, Akira and Ichiro are riding bicycles, weaving between people walking when they nearly collide with a car at an intersection.  They are saved by Doctor X who sends them a letter with alternative future photographs. They are pictures of the accident, showing the outcome of their lives had he not been there.