Fringe
› Season 4
S4 E19: Letters of Transit
The Fringe team goes back to the future as the story jumps ahead to 2036, when the Observers and the Fringe team engage in a game-changing battle.
| Air date | Apr 20, 2012 |
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| Runtime | 44 minutes |
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| TMDB rating | ★ 8.1/10 |
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