8 p.m. Sept. 23, Fox
Where they left off: As the two universes were colliding, Peter Bishop sacrificed himself to save our world. I'm still not sure how it worked, but I loved every minute of it.
This season: What would the world be like without Peter? His dad, Walter (the amazing John Noble), would still be bat-shit crazy, for one. You can expect to see new sides of all the main characters, because we'll see them as if Peter never existed. Big bonus this season, Seth Gabel (far right) becomes a full-time cast member as Lincoln Lee in both universes. Oh, and Joshua Jackson will be back in some form.
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