Plot hole: Angela comes into the autopsy room to inform Hodgins and Cam that Brennan is awake. Cam says that Brennan said the entry wound was cold and Hodgins comes up with the ice bullet theory. But how did Cam know what Brennan said about the cold if she didn't already know Brennan was awake?
Suggested correction: Bones told Booth that the entry wound was cold when she woke up. It's only fair to assume that Booth called Cam and told her.
But then, Cam would know Brennan was awake making the whole point of Angela coming in to tell them pointless. Plus with Cam knowing Brennan is awake, why would she not tell Hodgins?
I'm rewatching and have been looking for an answer as well. I think it's just a continuity error. If Booth told Cam, she would've told Hodgins, and when Angela walks in to ask if they made any progress, Cam would also tell her. Having Angela tell both Cam and Hodgins that Booth told her, then seeing them relieved and having Cam mention Brennan saying the shot was cold makes no sense other than they wanted to keep it as a dialogue instead of a monologue. Which makes it a pure error.
The Maiden in the Mushrooms - S8-E21
Continuity mistake: When the guy finds the skull his grip changes between shots. (00:02:10)
The Party in the Pants - S8-E22
Continuity mistake: The body falls on a foreman who gets covered in blood. When she scrambles away the blood has gone. (00:03:05)
The Party in the Pants - S8-E22
Other mistake: The body falls from the excavator revealing there is no other debris in the excavator. However when the team get there they are told that the load in the bucket fell on the body, crushing the head. (00:03:15)
The Party in the Pants - S8-E22
Continuity mistake: When Sweets is talking to the victim's girlfriend, she has a strand of hair in her hand from the rear angle and nothing in her hand in the front angle. (00:15:50)
The Party in the Pants - S8-E22
Continuity mistake: At the reception for Seeley's mother's wedding during the bouquet toss, when the bouquet is in the air the stems are bound in white ribbon, when Dr. Brennan catches the bouquet the stems are loose.
The Secret in the Siege - S8-E24
Visible crew/equipment: When the camera pans to behind Pelant's desk, the camera shadow can be seen on the desk. (00:00:50)
Continuity mistake: Booth and Sweets walk into his office after the title credits. Booth's coffee mug changes hands between shots. (00:07:50)
Audio problem: When Booth mentions being pulled up at the start the audio is over dubbed.
Continuity mistake: The pointer to the "Proposed Gazebo Site" on the screen directs to different points on the map. (00:05:42)
The Mystery in the Meat - S9-E10
Continuity mistake: When we see the eyeball on a spoon at the start, it's position changes between shots. (00:02:00)
The Mystery in the Meat - S9-E10
Continuity mistake: When Booth is holding up the meat injector during the interrogation, its position is constantly changing between the numerous camera angles. (00:31:00)
The Spark in the Park - S9-E11
Revealing mistake: When the burning leg lands on the witness at the start, the flames are super imposed. (00:01:55)
The Spark in the Park - S9-E11
Continuity mistake: At the end, the equations on the board are different in the close ups to the distance shots. (00:43:15)
The Spark in the Park - S9-E11
Continuity mistake: The box the dad draws around the questions at the end changes design. Note the long line on the right hand side. (00:44:50)
The Ghost in the Killer - S9-E12
Continuity mistake: When Trent and Jack are talking about when they were kids, the sweat stains on Trent's top keep changing in size. (00:27:10)
The Carrot in the Kudzu - S9-E18
Factual error: The plant the victim is covered in is not Kudzu. Kudzu is trifoliate (three leaflets per node) with two or three lobes per leaflet, and with entire margins (no serrations). The plant shown is serrated and does not have lobes.
Visible crew/equipment: When we see the aerial shots at the end, the shadow from the filming helicopter can be seen on the ground. (00:39:55)
Visible crew/equipment: At the end we see an aerial shot of the area by the Washington Monument and the shadow of the filming helicopter can be seen on the ground. (00:42:30)