Impulse; Carol Bucklen; Meloni Thawne; Future Bart Allen; Future Carol Bucklen; Max Mercury; Dr. Helen Claiborne; Lucius Keller; Eobard Thawne; Fran Russell; Dr. Eric Russell; Iris West Allen
Synopsis
Amid a confusing mess of time-traveling history changes, Bart saves the day in two different times and gains a new superpower, but still loses Carol.