 Set in the 22nd century , the series follows the adventures of the first Starfleet starship , Enterprise , registration NX @-@ 01 . In this episode , after destroying the Xindi weapon , Enterprise finds itself in the 20th century during World War II with Nazis in control of the North Eastern USA . Captain Archer ( Scott Bakula ) joins Silik ( John Fleck ) to stop the alien Nazis , restore the timeline , and end the Temporal Cold War . 
