"The only way forward is to go back."

'Orphan Black' Season 4: Tale Of The Clone Who Knew Too Much, MK's Secrets Revealed

Alice in Wonderland is fairly creepy in and of itself, if you think about it, but Orphan Black's latest season 4 teaser adds a whole new level of fear to Lewis Caroll's beloved children's story. The sestras have fallen down the rabbit hole, and the only way out is to head back.

For the clones, this could mean digging into their past. It's the one thing Sarah has been trying to do since season 1, but it's one of the most dangerous moves for the girls. Featuring voiceovers from Tatiana Maslany's Sarah, Helena, and Cosima the newest promo is rife with danger. From C4 to burning sock monkeys, it seems no one and nothing is safe.

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Except for Beth, that is. Dead since the series premiere, Beth's demise is seen in reverse as the teaser comes to a close. We doubt Sarah and Co. can reverse he fate, but Wired posits that the clip could signal a connection to Sarah's season 3 vision or, perhaps, is merely a sign that the clones will continue to dig deeper into their histories.

Find out more when Orphan Black returns to BBC America this April

Tags: Orphan Black television BBC America