The Girl in the Plastic Bubble (2) - S11-E7
Visible crew/equipment: When Norm leaves the bar after seeing Frasier on TV the edge of the set can be seen. The brick wall ends and there is a curtain.
The Girl in the Plastic Bubble (2) - S11-E7
Visible crew/equipment: After Frasier comes out of Sam's office and goes to sit at a table the studio lights and boom mic are visible. (00:13:15)
Answer: Here is the source of the "WE WIN" photo: http://www.oldnycphotos.com/nyny587ac.html Brooklyn, of all places.