The hero needs to be saved in the season 4 finale of "Teen Wolf". As Scott and Kira are kidnapped by Kate, Stiles is seen in a preview for the next episode telling someone that they have to go to Mexico to save their friends. There's also a glimpse of Derek losing consciousness.
Marlia also takes a road trip with Peter to get to Scott and Kira without knowing Peter's hidden evil agenda. In a clip for the said outing, Peter wants to make sure that Marlia is ready for what they're going to face.
Titled "The Broken Spell", the season finale will air Monday, September 8 at 10 P.M. on MTV. BuzzFeed recently learned from showrunner Jeff Davis that the episode would be one hour and 15 minutes long.
"Teen Wolf" 4.12 Preview:
"Teen Wolf" 4.12 Clip: