BBC America's mind-bending Orphan Black is returning for another season of clone wars and scientific self-discovery.
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A new trailer catches up with our four favorite Leda clones; Helena, Alison and Cosima all take turns with Sarah in a narration inspired by Alice in Wonderland.
"The only way forward is to go back," declare the clones. The future contains creepy masks, tunnels and explosives, while the clips of the past remind us of Helena's self-immolation and Cosima's illness. Could clues from the clones' separate pasts be the key to unlocking a safe future and understanding who and what they are?
Orphan Black returns for a fourth season in April.