'Arrow' At Comic-Con: Stephen Amell On His 'American Ninja Warrior' Run; Oliver Parenting William

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At Comic-Con 2017, "Arrow's" Stephen Amell talks about how hard he trained for his "American Ninja Warrior" appearance and what injuries he suffered. Would he return to "ANW"? Plus, what can fans expect to see between Oliver and his son, William, in the new season?

Tags: Access hollywood, ComicCon17, television, ComicCon2017, SDCC2017, arrow, Hollywood, Interviews, cw, Celebrity news, SDCC 2017, Access, SDCC, entertainment, american ninja warrior, celebrity, gossip, comic-con 2017, Comic-Con, Breaking News, entertainment news, Stephen Amell, comiccon
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