Credit: Quantrell Colbert/The CW © 2012 The CW Network Photo: Klaus and Jamie in Season 3, Episode 20: “Do Not Go Gentle”

The Vampire Diariesis a show where witches can bring people back from the dead, vampires kiss humans instead of ripping their throats out, and werewolves have silky smooth chests when they haven’t transformed. And we accept all of this without blinking an eye. Yet it’s the little things that make us scoff and say, “That would never happen.” Check out the biggest logic fails from Season 3, Episode 20, “Do Not Go Gentle.”

Alaric is a master of deception
Apparently, Evil Alaric (Matt Davis) has been doing a bang-up job of convincing everyone he’s normal, except for the exact moment when he needs to deceive them the most. When Damon (Ian Somerhalder) calls to check up on his drinking buddy, Alaric says he’s still blacking out, so he needs to leave. But of course, he’ll take his herbs with him so he doesn’t accidentally murder anyone. So Esther (Alice Evans) can turn him into an Original, but she can’t give him a better cover story?

You’re new here, but surely you know about the monsters?
Jeremy (Steven R. McQueen) strutted up to Bonnie (Kat Graham) and her date, Jamie. Presumably, the fellows had never met, but when Bonnie asks why he’s still wearing the Gilbert ring, Jeremy replies that he’ll ditch it once Elena (Nina Dobrev) stops hanging out with vampires. He says this right in front of Jamie. Are we even pretending to keep the vampire presence in Mystic Falls a secret anymore?

The boundary spell
A witch comes to get Jeremy’s sister, and he has to go inside the dance to find Damon and Stefan (Paul Wesley). Both of them. That’s what cell phones are for. He could’ve easily walked past the dozens of containers of Morton’s salt Esther had dumped around the school and tracked where Elena was taken. Luckily, a pint of his blood and a spell can accomplish the same thing — usually. Plus, it took them forever to figure out humans could pass the boundary even though Jeremy had already gone beyond the salt pile.

Jamie stays over
Bonnie was having a nervy b, and we get that. It was sweet of Jamie to climb into bed — fully clothed, so we know no funny business happened — but was there ever a chance she’d send him back to Abby’s house that night? How did that phone conversation go when she invited him? “Hello, would you like to cross state lines for a dance where murders will likely happen and then drive for several hours immediately after? Yes? Great. Did I mention you have to buy old timey clothes?”

Please enjoy this weapon, unstoppable killer
Let’s have irresponsible Damon babysit Alaric until he’s mostly dead, because there’s no way Evil Alaric might emerge and fulfill Esther’s plan. But just in case, let’s leave our one weapon against the Originals with him for safe keeping. We’ll get it later, once he’s all dead. Wait, Damon got drunk while watching his buddy die and Alaric is now a super vamp? Why do things like this always happen to us?

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Follow Jenny McGrath on Twitter @wetpaintjenny.