
Visible crew/equipment: S4xE8 "Meet Kevin Johnson": Near the end, Karl has nothing in his left ear when he and Alex sit down and start talking, but when Karl falls onto the ground, the actor has a wireless earwig device in his left ear in his close-up, before Alex turns him over. Then, when Alex sits by the tree distraught, Danielle tries to convince her to listen, and in Alex's extreme close-ups, she has a mini lav mic (similar style to DK3 series) at her right ear that becomes visible.

The Beginning of the End - S4-E1
Visible crew/equipment: When Hurley hugs the detective after being told he can go to the mental hospital, a camera and operator's hand can be seen in the background. (00:06:00)
Answer: He was eating a peice of an orange with the skin still on.
XIII