"Isaac is not returning next season. ... Fortunately, fans will not have to grieve another heartbreaking death as Sharman requested that Isaac not be killed off. NEWS: Our recap of Teen Wolf's heartbreaking season three finale. "He specifically asked that we not kill off Isaac, so that he could have the chance to return.

What happens to Isaac Lahey?

After being trapped in grave by an overturned backhoe, Derek Hale rescued Isaac. ... Teen Wolf Mystery What Happened to Isaac? After Allison's death and the defeat of the Nogitsune, Isaac left Beacon Hills with Chris Argent to heal himself emotionally from Allison's death.

Who kills Isaac Lahey?

However, it wasn't Isaac who was there, but instead a mysterious shapeshifter, who hissed at him before chasing him back to his car. Mr. Lahey desperately tried to hide inside the car, but creature ripped the door off before violently mauling him to death.