Enemy of My Enemy

S1 E15: Julian (guest star JAMES MacKAY) is back and angrier than ever, but when he gets caught by Ultra he is forced to strike a deal that could cost his and Stephen's lives. John once again disobeys Cara's orders when he learns that Julian has discovered the location of the Tomorrow People's lair. Meanwhile, Astrid is plagued by nightmares after her near-death experience and turns to her new friend John for some comfort.