We all know Pretty Little Liars isn't exactly the most realistic show around. Mysterious murders happen all the time, a super-stalker devotes countless hours to tracking teen girls, and said teen girls apparently have endless closets full of the funkiest fashions. It's a heightened universe, and that's part of the fun.

Even with that in mind, there are occasionally moments that make us stop and say, "Really?" Sometimes it's something that doesn't make sense from the writers, and, more often, it's just that we want to reach through our TVs and smack the characters upside the head for making bad choices.

Here are our picks of the biggest logic fails and most WTF moments from  Season 4, Episode 17 (“Bite Your Tongue”):

1. The whole Malcolm situation. We mentioned this last week, but it deserves mention again: Sure, Maggie was wrong to lie about Ezra being her kid's father (and hey, maybe he or his mother would even be able to pursue legal action against her for taking their money under false pretenses), but in no universe does he have a legal right to see a child that is not his, and that he was never a legal guardian for. The fact that he would suggest pursuing legal action or that Aria wouldn't question that is ridiculous.

2. Ezra at the bar. Ezra knows the Liars had Ali's journal, and the fact that he cancelled the rest of his order as soon as Spencer showed up suggests he's aware of exactly what Ali had written about their date. But if that's the case, why in the world is he back at that bar at all? Sure, they might make a good pie, but protect your secrets better, Ezra!

3. Emily almost stabbing her dad. Em, we get why you're scared, but you also know your dad is home, so maybe you shouldn't wildly stab at anyone who enters your room without checking who it is first.

4. Hanna at the dentist. Would the dentist and his aid really just assume Hanna ran off without saying anything? That seems suspect. And wouldn't it take longer for the aid to close up? While "A" attacking Hanna was amazingly creepy, we're not really buying the setup.

 Did you pick up on any logic fails this week? Let us know in the comments below!

Catch the next episode of Pretty Little Liars on Tuesday, February 4, 2014 at 8 p.m. ET on ABC Family.