Smallville Season 4 Episode 10

During Lana's nightmare, when she goes over to the "dead" Jason she moves her hand all across his face. While she is doing this, you can see that Jason's eyes are twitching/blinking slightly.

Lana seems a little inconsistent with her story here. She claims that the first time she saw Jason, he was lying on the floor of the Talon, but hadn't she gone upstairs to get her jacket when he arrived to take her to lunch?

Why does Chloe's father's security pass still work at Lexcorp? He doesn't work there anymore.

Lana asks Chloe and Clark to go back to her apartment and get Jason's health insurance card, but she never says where it is. Wouldn't she tell them, or does she just expect them to ransack the place and find it? Furthermore, she doesn't give them the keys which leaves two very improbable situations: either Chloe or Clark have keys to Lana's apartment, or she just keeps it unlocked.

When Clark is being escorted out of the LuthorCorp plant by the security guard, they come across Chloe, who is currently running at them in a delusional state. Why does Clark decide to knock out the guard by thwacking him on the back of the head? He didn't make any threatening gestures or any thing...he just stood up.

When Lionel is freed from prison, he walks out the gate. But at the same time, there is a bus of new prisoners coming in. The is no way the prison guards would leave a gate wide open when people are going in. They usually lock the gate then open the truck, or use two gates and a small driveway in between.

A thousand degrees Kelvin is HOT -- far hotter than anything organic could withstand (or Lex could pick up), hot enough even to melt quite a few metals. Any enzymes, hormones, etc. would burn to charcoal at significantly lower temperatures. And unless there's massive air pressure in that incubator (which is doubtful), there's no way that anything that's liquid at room tempurature wouldn't boil off into vapor well before reaching 1000K.

Clark heats the antidote to 1000K very rapidly using his heat vision. If fast heating was a viable solution, why were they heating it slowly in the first place? Even the most primitive brick oven wouldn't take 5 hours to reach 1000K, much less the high-tech incubation unit they're using.

Although the antidote is referred to as a "vaccine," and vaccines do contain a portion of the dangerous substance involved, vaccines serve as prevention, not cure. An antidote would provide a cure, but wouldn't contain the element that caused the problem in the first place. Further, the hallucinatory-invoking substance is described as a bacteria. You use antibiotics to cure bacterial disease, and vaccines to prevent viral infections.

When Lana is leaning over the comatose Jason she's crying freely and her eye makeup is kinda smeary. Then she talks to Clark and Chloe and it's perfectly made up.

Malcolm Stewart mispronounces "Luthor," saying it luth-ER rather then luth-OR.

In every other instance, the person hallucinating is the focus of his or her own hallucination. In other words, they see themselves, they're "present" in the hallucination, they act and interact with things in the hallucination. But for the first couple minutes of Jason's hallucination...Jason himself isn't "present" anywhere to be seen.