![Flash / Impulse: Runs in the Family #[nn] cover](https://comicbooks-covers-449901518064-us-east-2.s3.us-east-2.amazonaws.com/covers/openlibrary/9781779509482.jpg)
Flash / Impulse: Runs in the Family #[nn]
In "The Single Synapse Theory," Bart faces a day without his usual speed, while Jay, Linda, Jenni, and Iris visit Max in the hospital. When Savitar’s ninjas launch a surprise attack, Max channels the Speed Force to empower Johnny—just as a sudden surge across all speedsters brings Impulse rushing in to save the day. Written by Mark Waid and illustrated by Humberto Ramos, with inks by Wayne Faucher, colors by Tom McCraw, and letters by Chris Eliopoulos, the cover by Ramos and Faucher captures the intensity of the moment.
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As Bart struggles through a school day without super-speed, Jay, Linda, Jenni, and Iris visit Max in the hospital. After Johnny arrives, Savitar's ninjas attack to try to finish off Max. Max is able to tap into the speed force and transfer his power to Johnny so that he can hold off the ninjas. But a sudden power surge in all the speedsters (when Savitar momentarily loses his grip on the speed force) allows Impulse to arrive in time to save Max.
Plot details indexed by the Grand Comics Database (CC BY-SA).