Some new stills from Back to Where You’ve Never Been, airing January 13th at 9:00 ET/PT.

FRINGE: Bolivia (Anna Torv, L) and Alt LIncoln (Seth Gabel, R) transport suspects in the "Back To Where You’ve Never Been" episode of FRINGE airing Friday, Jan. 13 (9:00-10:00 PM ET/PT) on FOX. ©2011 Fox Broadcasting Co. CR: Liane Hentscher/FOX

FRINGE: Walternate (John Noble) prepares for a meeting in the "Back To Where You’ve Never Been" episode of FRINGE airing Friday, Jan. 13 (9:00-10:00 PM ET/PT) on FOX. ©2011 Fox Broadcasting Co. CR: Liane Hentscher/FOX

FRINGE: Peter (Josh Jackson) awakens from a dream in the "Back To Where You’ve Never Been" episode of FRINGE airing Friday, Jan. 13 (9:00-10:00 PM ET/PT) on FOX. ©2011 Fox Broadcasting Co. CR: Liane Hentscher/FOX

FRINGE: Walternate (John Noble) studies the shapeshifter disks in the "Back To Where You’ve Never Been" episode of FRINGE airing Friday, Jan. 13 (9:00-10:00 PM ET/PT) on FOX. ©2011 Fox Broadcasting Co. CR: Liane Hentscher/FOX