- Script
- Mark Waid (credited)
- Pencils
- Craig Rousseau (credited)
- Inks
- Wayne Faucher (credited)
- Colors
- Tom McCraw (credited)
- Letters
- Chris Eliopoulos (credited)
- Genre
- superhero
- Characters
- Impulse [Bart Allen]; Max Mercury; Cosmic Boy (guest-star); Spark (guest-star); Brainiac 5 (guest-star); Gates (guest-star); Saturn Girl (guest-star)
- Synopsis
- Impulse tries to help the Legionnaires stranded in the 20th century return to the future.
The sequence in which Impulse meets the Legionnaires is based on the first Legion story in Adventure Comics (DC, 1938 series) #247.
- Script
- Jason Hernandez-Rosenblatt (credited)
- Pencils
- Humberto Ramos (illustrations)
- Inks
- Wayne Faucher (illustrations)
- Colors
- ? (illustrations)
- Letters
- typeset
Letters submitted by Lee Taylor, Doud Ohmer, The DCFan, Tony Favro, Julian Bukalski, and Trent D'Adamo.
Includes cover art for issues #18 and #22.