THE FLASH gets THE TRICKSTER again!


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Justice League Unlimited - Season 2 - Episode 5 - "Flash and Substance"

Main Plot: Orion attempts to understand Flash's antics as Wally and Batman battle four of Flash's rogues that attack the museum that is opening in his honor. This episode includes many references to Flash's comic book and television history, including a guest appearance by Linda Park and bringing back Mark Hamill as the Trickster.

Source: Wikipedia