Barry Allen is in Crisis in New "The Flash" Poster

Grant Gustin's character learns that water and lightning -- or is that the Speed Force? -- don't mix in the latest poster for Season 2 of The CW's "The Flash."

"Tune into season two of @cwtheflash and see how Barry can get through this time of tribulation, caused by so many losses in the season one finale," Gustin posted on Instagram, along with the poster. "A good scream always helps..."

Starring Grant Gustin, Carlos Valdes and Jesse L. Martin, "The Flash" returns to The CW on Oct. 6 on at 8 p.m. EST.

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