The Flash 6×07 “The Last Temptation of Barry Allen, Pt. 1” Season 6 Episode 7 Sneak Peek – PART ONE OF THE MID-SEASON FINALE – As Barry Allen (Grant Gustin) stands on the threshold of his impending death in Crisis, his convictions are tested when the monstrous Dr. Ramsey Rosso (guest star Sendhil Ramamurthy) infects The Flash with a mysterious, hallucinogenic contagion. Meanwhile, reporter Iris West-Allen (Candice Patton) uncovers a vast conspiracy. Chad Lowe directed the episode written by Jonathan Butler & Gabriel Garza (#607). Original airdate 11/26/2019.