Justice League: Season 5, Episode 5

Flash and Substance (11 Feb. 2006)

TV Episode  |  TV-PG  |   |  Animation, Action, Adventure
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Ratings: 8.5/10 from 181 users  
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A day in the life of Wally West aka The Flash. The day includes West at his day job, as a Criminal Lab tech, the dedication of the Flash Museum, and the attacks of four villians.


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Episode cast overview:
The Flash / Wally West (voice)
Batman / Bruce Wayne (voice)
Orion / Lab Supervisor (voice)
Captain Cold / Leonard Snart / Fisherman / Rick (voice)
Kim Mai Guest ...
Linda Park / Earleen / Hologram Girl (voice)
Mayor / Waitress / Marla / Margie (voice)


A day in the life of Wally West aka The Flash. The day includes West at his day job, as a Criminal Lab tech, the dedication of the Flash Museum, and the attacks of four villians.

Plot Summary | Add Synopsis





Release Date:

11 February 2006 (USA)  »

Company Credits

Show detailed on  »

Technical Specs


Sound Mix:


Aspect Ratio:

1.78 : 1
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Did You Know?


Flash mentions his uncle coming down to spend the Flash Appreciation Day/Flash Museum opening. In the comics, Wally's uncle was Barry Allen, the second Flash and Wally's mentor during his tenure as Kid Flash. The employer in the hospital where he works on investigations - a job Barry Allen actually had in the comics - may have been drawn to reference him. See more »


The man playing pool in the background is hitting the 8 Ball with his stick instead of the cue ball. See more »


[a hologram appears]
The Flash: Mirror Master!
Mirror Master: You're quick as ever.
The Flash: Yeah? Well, you're... you're not really all there!
Mirror Master: Oh, nice try. If you'd had another minute, you might have thought of a decent comeback.
See more »


References Superman: Speed Demons (1997) See more »

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User Reviews

Flash and great story
29 July 2009 | by (United States) – See all my reviews

If you haven't seen this episode yet, I highly recommend. I decided to have a quiet night in and go through some old episodes of the Justice League Unlimited.

Although not the best episode of season 5, it definitely is entertaining. In Flash and Substance, there definitely is substance.

This episode develops deeper into one of our original 7 superhero's life. I think it is always interesting when the writers do back stories of the characters life (especially the Flash's) because he is so different than the rest of the cast of Super Hero's with his quirkiness and originality.

Season 5 definitely digs deeper into the Flash's persona and how important his personality is to the rest of the team. As was mentioned in the commentary, Flash could be one of the, and possible the most powerful hero's if he was less theatrically – but the story itself reconciles with the fact that it is not that way, and the Flash is indeed the glue that holds it all together (As was mentioned in previous story arcs) This is less serious of an episode, and more playful than the rest of the series. Like the others, it is a masterpiece of its own 8/10

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