The One With Rachel's Assistant - S7-E4
Visible crew/equipment: After Monica tells Chandler the secret about Nancy from Phoebe's old massage place getting fired, when it cuts to the wideshot of the apartment while Rachel's standing by the fridge, we can see the camera at the left side of the screen.
The One With Ross's Library Book - S7-E7
Visible crew/equipment: When Chandler puts a plate down next to the Chinese food, and Monica walks in a boom mic can be seen over her head. (best on DVD). (00:06:20)
The One With Ross's Library Book - S7-E7
Visible crew/equipment: When Ross says, "I work here," there is a stage light at the top to the right of Ross's head. (dvd)
The One Where Chandler Doesn't Like Dogs - S7-E8
Visible crew/equipment: When Chandler sees the empty dog basket on the floor at Ross' there is a panning shot to the door. If you look carefully, you can see a crewmember wearing blue jeans and white shoes. (00:17:25)
The One With All The Candy - S7-E9
Visible crew/equipment: After Ross gives Phoebe the bike and she is leaving to ride it for the first time, the stage lights are visible in the rear view mirror.
The One Where They're Up All Night - S7-E12
Visible crew/equipment: Right after Tag wonders if he can see his apartment from there, when Ross says "wow, look at all the stars" a boom-mic is visible for a short amount of time.
The One Where Rosita Dies - S7-E13
Visible crew/equipment: When Joey sits on the Lazy Boy chair Rachel purchases, there are a pair of denim jeans seen behind him - the crew member steps back out of frame but can still be seen.
The One With Joey's New Brain - S7-E15
Visible crew/equipment: When Monica and Chandler are going over to the window to see Ross playing the bagpipes, the head of a crew member is visible on the left side of the screen, standing by the framed poster. (00:07:30)
The One With The Truth About London - S7-E16
Visible crew/equipment: As Joey is entering Monica and Chandler's apartment, there is a black microphone visible for a few seconds moving above Joey's head as he is walking towards Monica and Chandler at the table.
The One With Joey's Award - S7-E18
Visible crew/equipment: When Monica and Chandler are talking in the living room, Monica asks if there is 'anything you'd like to talk about, or share.' On the left of the screen the shadow of a boom mic can be seen moving on the lounge cushion. (00:17:20)
The One With The Vows - S7-E21
Visible crew/equipment: When Monica and Chandler are in the coffee house after they've finished their vows, there is a microphone and another piece of equipment moving outside behind Chandler. (00:19:40)
The One With Monica and Chandler's Wedding, Part 1 - S7-E23
Visible crew/equipment: At the very start after Monica says, "We're gonna have lunch at Mom's" when the camera switches to a wider shot look above Joey's head. You can see the boom mic track him across the stage. (00:00:25)
The One With The Red Sweater - S8-E2
Visible crew/equipment: When Joey walks into Monica's apartment and Monica screams "I don't know how any of these got open" while throwing a box, a lot of stage lights and a boom-mic are visible above Joey's head. (00:17:00)
The One Where Rachel Tells... - S8-E3
Visible crew/equipment: When Monica is yelling at the other couple on their honeymoon, the things on the shelves behind them shows the reflections of set lights. (00:15:25)
The One Where Rachel Tells... - S8-E3
Visible crew/equipment: When Phoebe asks Treeger not to mention the incident with the door to Monica and Chandler, just as Treeger uses the measuring tape we can see the opening in the wall beside the door.
The One With The Video Tape - S8-E4
Visible crew/equipment: While Ross is talking into Joey's video camera, just as Rachel startles him and walks into the apartment we can see the holes in the walls of both apartments, 19 and 20.
The One With The Video Tape - S8-E4
Visible crew/equipment: After Rachel puts the videotape in the VCR, when she uses the remote to hit play it cuts to a closeup of the TV, and before the tape starts playing we can see the reflection of the camera dolly and a crew member wearing a white shirt, kneeling on the floor.
The One With Rachel's Date - S8-E5
Visible crew/equipment: When we see Central Perk for the first time, you can see a stage light is reflected in the window. (00:05:20)
The One With Rachel's Date - S8-E5
Visible crew/equipment: When Phoebe is telling Monica about Tim, there is someone in the background with a black mug that is reflecting some of the stage lights. (00:05:20)
The One With Rachel's Date - S8-E5
Visible crew/equipment: When Rachel and Cash leave Joey's apartment, in the top-left corner a stage light is visible. (00:12:05)
Answer: The statements that she's contradicting (that it is common, it happens to every guy, and it's not a big deal), are the things that a woman commonly says to a man who is suffering from erectile difficulty, typically to assuage his bruised ego. However, most men do not believe that these statements are true, as evidenced by Chandler's outburst. He's so caught up in the proof that women are lying about it that he gives himself away.
Rooster of Doom