Bioshock Infinite: Burial at Sea episode two will arrive next month, and until then developer Irrational Games will keep releasing videos for us to enjoy. The new video is a behind-the-scene look at how the characters from the original Bioshock and Bioshock Infinite have changed in this combined universe.

Ken Levine, together with the voice actors of said characters, explain how this new DLC, starring Elizabeth as protagonist, completes the Bioshock saga (as far, at least). Watch it below.

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