Revealing: After Lex's employee walks out of the office, Lex's gets mad and throws most of the objects off his desk. Prior to this, we a computer screen displaying something. When the objects go flying off and hit the wall, we see that it wasn't actually a computer screen but a prop that was made look like one. It was just the frame, a piece of paper that served as the display covered by clear plastic to make it look like an actual computer screen.

Continuity: When Lana is meeting with the Small's over coffee at the Talon and Mr. Small gets more coffee for himself and is wife, he picks up his cup and his wife's. Then when he comes back he puts down the coffee for himself and Lana.

Continuity: When Lex speaks with the Lieutenant, watch Clark and Jonathan in the background. They are seen standing by a News Now van and looking up at the Daily Planet. When the camera cuts to them, they are shown walking past the News Now van again.

Continuity: When there is a flashback of the shooting, the police officer is heard to fire 3 shots, yet in each other flashbacks it's 2 shots and there are only 2 wounds in the victim.

Factual error: The sheriff says that Jonathan has a blood alcohol content of 2.0. Since 1.0 is lethal, 2.0 is unimaginable. He should have said .20.

Factual error: At the beginning, Lucas holds another man in front of him to stop a hail of bullets. A human body won't stop most gunfire, certainly not from the submachine guns the thugs were using.

Continuity: When Lucas is in the Luthor mansion talking to Lionel and Lex, he picks up and inspects the samurai sword, then returns it to the holder, hanging it on one peg by the strap. In the next immediate shot, it is resting between the pegs, as it was before he picked it up.

Continuity: The motorcyclist has his visor down when he appears at the end of the alley. He raises the gun, then reaches up and lowers his visor again.

Plot hole: When Jonathan breaks into the military compound, how did Clark get there in that short a time, seeing as Jonathan drove and Clark is without his superpowers?

Continuity: The position of Clark's sleeve to the tourniquet change between shots. When Dr. Bryce first ties the tourniquet she does so at about an inch from the end of the sleeve. In the next shot, as Clark lies unconscious and nobody touches his sleeve, the tourniquet is tied around the sleeve and no longer on his skin. Just before Dr. Bryce sticks the needle in it's back to being an inch from his sleeve.

Continuity: Just before Dr. Bryce removes the vial she unties the tourniquet and the straps are completely off of Clark's arm. In the shot of Clark after that, as Dr. Bryce looks at the vial, she unties the tourniquet again.

Continuity: After Clark says "I'm not leaving." Jonathan starts to talk about the list of things Martha needed to get done. As Jonathan says this there is a camera switch. Before the switch Clark is next to the window turned toward his dad. After the switch Clark is now standing further back from the window behind Jonathan's right shoulder.

Audio problem: After the DCA shows Clark and Jonathan the metallic key, Clark says, "We need to think about mom," but his lips are not moving.

Continuity: In the kitchen, Martha collapses and Clark catches her just in time. Jonathan then rushes to his wife and puts his right hand on her cheek and his left hand on Clark's shoulder. Cut to a close up of Martha as Jonathan calls her name but now he has both his hands on Martha's face.

Continuity: When Martha is in the kitchen and starts having a coughing fit from the toxin, she drops the pitcher of lemonade. The pitcher lands on its side and breaks, but in the next shot, the broken base is positioned upright, sitting level on the floor, the jagged broken edges waiting to impale Martha.

Revealing: Clark tries to stop the three guys who are inhaling refined kryptonite. As Clark gets tossed through a window, you can see the explosion of a small charge in the bottom left of the widow. Highly noticeable since Clark hits nowhere near where this charge goes off.

Audio problem: After Clark is dumped into the blast furnace and the thieves make a getaway in their truck, you can hear the sound of an accelerating engine as it's driving away, but the brake lights are on.

Continuity: When Kent leaves on his motorbike at the end of the episode, in a shot from behind Lana crosses her arms. In the next closeup her right arm is up by her mouth.

Audio problem: At the wedding, after Jonathon gives Lex the compass, in a side shot we hear Jonathon say a line, yet his mouth is completely out of sync.

Continuity: As Jor-El is first burning the mark on Clark's chest the mark moves to the upper right part of his chest. In the next shot, closer in on Clark, you can see the same area again but now there is no mark where there was one before.