| Season 1 | 2014-15 | 9.1/10 | ||
| 1 | Pilot |
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| 2 | Fastest Man Alive |
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| 3 | Things You Can't Outrun |
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| 4 | Going Rogue |
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| 5 | Plastique |
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| 6 | The Flash Is Born |
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| 7 | Power Outage |
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| 8 | Flash vs. Arrow |
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| 9 | The Man in the Yellow Suit |
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| 10 | Revenge of the Rogues |
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6.9 | |
| 11 | The Sound and the Fury |
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7.6 | |
| 12 | Crazy for You |
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6.3 | |
| 13 | The Nuclear Man |
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8.0 | |
| 14 | Fallout |
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8.5 | |
| 15 | Out of Time |
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8.0 | |
| 16 | Rogue Time |
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8.5 | |
| 17 | Tricksters |
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8.5 | |
| 18 | All-Star Team-Up |
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9.0 | |
| 19 | Who Is Harrison Wells? |
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8.5 | |
| 20 | The Trap |
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9.7 | |
| 21 | Grodd Lives |
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8.2 | |
| 22 | Rogue Air |
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8.8 | |
| 23 | Fast Enough |
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8.5 |