Visible crew/equipment: In the scene in Bargain Bob's where Donna is talking to Bob, the end of the set and lights can be seen in the reflection of metal cookware that Bob is tying balloons to. (00:07:50)
Visible crew/equipment: When Jackie tells Eric that she can really use a friend right now, in the next shot facing Eric just as he says, "Okay, well, good luck with that," the camera and crew member wearing a blue shirt can be seen at the left side of the screen. (00:01:00)
Visible crew/equipment: As Donna plays footsie with Eric in the car while driving up to Jackie's ski lodge, a crew member's arm can be seen in the backseat. (00:05:17)
Visible crew/equipment: When Donna and Eric run to the car to discuss something secretly, a camera can be seen entering the right side of the scene. (00:01:55)
Visible crew/equipment: As Jackie opens the door and comes into the room near the end, you can see the bottom of a microphone. (00:20:15)
Visible crew/equipment: Stage lights and the end of the set can be seen in the scene when Kelso is confronting another man for courting Jackie. (00:16:00)
We're Not Gonna Take It - S6-E6
Visible crew/equipment: The edge of the camera lens is visible throughout this episode. It's also known as vignetting.
Visible crew/equipment: In the futuristic sequence, several times you can see the edge of the lens. This is likely because the show was reframed in 16:9 but on a 4:3 screen in 1999, the edge would not be visible.
Visible crew/equipment: When Kelso sees Jackie in the hallway at the rally, he walks over to her. As he does this, the shadow of the camera is visible on the lower half of his coat.
Answer: It's Ashton Kutcher's dog.