Volcanalis

"" is the eighteenth episode of Season 2 of Grimm and the fortieth episode overall. It first aired on April 19, 2013 on NBC.

Press Release
Nick finds himself fighting a wildly different sort of nature freak in a desperate attempt to keep a volcano from burying Portland in lava. Meanwhile a pregnant Adalind meets a powerful new ally in Europe. Meanwhile, Juliette seeks out help after becoming overwhelmed by the latest side effect of her recovery - multiple memories of Nick showing up everywhere.

Wesen

 * Blutbad
 * Eisbiber
 * Hexenbiest
 * Taureus-Armenta
 * Volcanalis (Not technically a Wesen)

Production Notes

 * Bree Turner (Rosalee Calvert) was not credited and did not appear.
 * The episode was originally titled "Ring of Fire", but on April 25, 2013, NBC announced that the title was changed to "Volcanalis"
 * The episode was originally scheduled to air on April 19, 2013 in the United States, but due to extended news coverage after one of the suspects in the Boston Marathon bombings was taken into custody, the episode was rescheduled to air on April 26.
 * This is the third episode so far to be rated TV-PG. All the others except and  have been rated TV-14.