Take me out to the ballgame - S2-E1
Visible crew/equipment: The girls pick up Sam and when the cab leaves the camera is reflected on the rear window. (Pausing is not necessary at all, but it's fun to pause and check for a huge white sheet behind the camera, which gives away the mistake).
Visible crew/equipment: After Carrie lies to Miranda about getting her teeth cleaned, she turns around and you can see the shape of a square microphone pack through her coat.
Visible crew/equipment: Lighting screens reflected on Carrie and Sam's lenses while they have a snack at the flea market.
The man, the myth, the viagra - S2-E8
Visible crew/equipment: When Samantha is having diner with Ed and she is about to discover what present is under the plate dome, a boom mic is reflected on the silver.
The man, the myth, the viagra - S2-E8
Visible crew/equipment: When Ed toasts with Samantha and says "a toast to fun" a boom mic is very briefly reflected on his glass.
Visible crew/equipment: At the phone booth, Steve says "blue moon", and right then two lighting screens get reflected on his lenses. (00:23:42)
Visible crew/equipment: When Charlotte approaches Wyle in front of the fire extinguisher, the boom mic is visible at the top of the screen. (00:10:40)
Visible crew/equipment: During the scene when the four girls are at the bar talking, you can briefly see the boom mic swing quickly overhead at the top of the shot. (00:06:10)
Visible crew/equipment: When Carrie is sitting at the table writing on her laptop after her trip with the girls to the sports bar, the camera comes round and you can see her TV. You can see a boom mic reflecting on the TV screen, and another camera.
Visible crew/equipment: Lighting screens are reflected on Sam's glasses during the picnic.
Twenty-something girls vs. thirty-something women - S2-E17
Visible crew/equipment: A white screen and crew member holding a boom mic are reflected in Samantha's glasses when she is talking to Carrie on the beach.
Answer: Yes, it is.