Plot hole: It is revealed that Malia has been living as a coyote for eight years but earlier in the season it's shown that all shape shifters lose their powers and becomes human during a lunar eclipse, which happened in the midseason finale. So why didn't Malia turn back?
Plot hole: We find out the coyote that has been wandering around the Tate house is actually his long lost daughter, Malia, that turned lost control during a full moon eight years prior and has been living as a coyote ever since. When Scott forces her to turn back into human for she is incapable of shifting back into coyote form. However in the season 3 mid-series finale we find out that all shapeshifters loose all their powers and becomes human during a lunar eclipse. Shouldn't Malia have turned back into human form that night?
Revealing mistake: When Kali disguised as a nurse holds up her fingers to count you can see her real nail under her claw.
Continuity mistake: Scott and Kira are having dinner with her parents. In one shot, Scott picks up sushi with chopsticks. In the next shot, the chopsticks hold nothing. (00:27:30)