Highway of Tears

"" is the sixth episode of Season 4 of Grimm and the seventy-second episode overall. It first aired on November 28, 2014 on NBC.

Press Release
NICK WANTS TO BE A GRIMM AGAIN NOW MORE THAN EVER -- JACQUELINE TOBONI, ALEXIS DENISOF, TONI TRUCKS, LOUISE LOMBARD AND ERIK AVARI GUEST STAR -- The justification for Nick (David Giuntoli) to become a Grimm again is made much clearer in the wake of the most recent attack against Monroe (Silas Weir Mitchell) and Rosalee (Bree Turner). At work, Nick and Hank (Russell Hornsby) are called to a stretch of highway that acts as a staging area for a horrifying Wesen ritual. In Vienna, Viktor (guest star Alexis Denisof) meets with a completely broken Adalind (Claire Coffee), now ready to be of assistance in finding and retrieving the baby. Meanwhile, Trubel (guest star Jacqueline Toboni) is surprised by the sudden arrival of an old friend. Bitsie Tulloch, Reggie Lee and Sasha Roiz also star.

Wesen

 * Blutbad
 * Fuchsbau
 * Half-Zauberbiest
 * Hexenbiest
 * Phansigar
 * Pflichttreue
 * Schakal (seen in Grimm Diaries only)
 * Abath (seen in Grimm Diaries only)

Diseases

 * Post-Traumatic Zombification Disorder

Production Notes

 * Footage from was reused (flashback).
 * This is the first episode of the season in which the episode quote did not have a black background.

Continuity

 * The episode picks up right after ended.
 * Nick regains his Grimm powers.

Trivia

 * The episode's title could be a reference to the, which is a series of unsolved murders and disappearances of young women along the 800 km (500 mi) section of Highway 16 between Prince George and Prince Rupert, British Columbia, Canada from 1969 until 2011.