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Grimm Exclusive Video: Is Jack the Ripper Back From the Dead?

Plus: Pregnant Adalind almost faints!

Hanh Nguyen

Jack's back!

Or at least that's what it seems like on Friday's all-new Grimm(8/7c, NBC). Captain Renard suspects a copycat is on the loose who's inspired by famed serial killer Jack the Ripper after a string of homicides hit Portland. As Nick investigates, he comes across a big surprise.

Spoilers on all the must-watch finales

Meanwhile, Adalind's pregnancy is progressing rapidly, and well, see for yourself how she's doing in the exclusive sneak peek below:

Grimm airs Fridays at 8/7c on NBC.