The Self Destruct Button - S1-E7
Visible crew/equipment: When they arrive at work near the beginning, as Meredith exits the car, and walks past, the boom mike is reflected in the car, in front of her, following her along. (00:02:45)
Visible crew/equipment: When Meredith is asking Dr. Bailey for Derek, a cameraman is reflected in the glass panels beside them. (00:10:50)
Visible crew/equipment: When Burke steps onto the elevator Miranda declines his offer to scrub in on the GSW, and just as Miranda admits to having a "date" that evening, a T-mark can be seen on the floor in front of Burke. (00:10:40)
Damage Case - S2-E25
Visible crew/equipment: When Izzie closes the door with blinds hanging on it, before going to sit on Denny's bedside, you can see a crewmember with their filming equipment reflected in the glass of the picture hanging behind her. (00:35:00)
Crazy Love - S11-E19
Visible crew/equipment: You can see the camera recording in the glass when panning over Arizona.
(As We Know It) (Part II) - S2-E18
Visible crew/equipment: When Meredith is walking away from Thatcher's house, there is a crew member that is between the house and mailbox who slips into the shadows. (00:33:12)
With a Little Help from My Friends - S18-E4
Visible crew/equipment: When Hunt and Hayes decide to get a drink at Joe's after work it then cuts to Schmitt standing at the doorway, and the blue T-mark is visible on the floor just as Kim joins Schmitt. (00:39:20)
Visible crew/equipment: When Teddy and Amelia walk over to Koracick he gives Amelia the boy's tumor diagnosis, and as Amelia walks into the patient's room the red T-mark is visible on the floor, at the bottom, left side of the screen. (00:15:10)
A Hard Pill to Swallow - S16-E11
Visible crew/equipment: After Hayes asks Meredith if she knows Dr. Yang she avoids an answer and walks away, then when it cuts to Bailey as she walks toward Koracick, three tape marks (two red, one blue) are visible on the floor near Koracick. (00:36:30)
Visible crew/equipment: After Derek tells Cristina that her patient is paralyzed, when it cuts to the ICU as Cristina talks to the man's wife, the pink T-mark becomes visible on the floor at the bottom of the screen, near the right side. (00:02:05)
Visible crew/equipment: At the start, when Jackson and Maggie react to the fire alarm, just as Maggie says, "All right fine. It's the guy. The bad, escaped rapist guy," the white T-mark is visible on the floor, before she stands up. (00:00:35)
Could We Start Again, Please? - S11-E7
Visible crew/equipment: In the ER, when they move Hattie off Norris he grabs hold of her hand, and two shots later in the closeup as Norris lets go of Hattie's hand, the white T-mark is visible on the floor. (00:04:55)
Hook, Line and Sinner - S6-E20
Visible crew/equipment: Lights, a camera, etc. are visible in the reflection of the helicopter medic's helmet. (00:08:45)
The Other Side of This Life (Part 1) - S3-E22
Visible crew/equipment: When the two characters are talking in the car going down the road, you can see the reflection of some crew members in the sunglasses. (00:13:00)
Owner of a Lonely Heart - S2-E11
Visible crew/equipment: When Burke hands Cristina the cup of coffee as she leaves for the hospital, blue screens can be seen in his eyeglasses.
Visible crew/equipment: After Meredith discovers Derek visiting her mother at the nursing home, when it cuts to Miranda in the OR the T-mark can be seen on the floor at Cristina's feet. (00:26:40)
Owner of a Lonely Heart - S2-E11
Visible crew/equipment: In the NICU, when George starts boasting that he has the best quint, in the overhead wideshot we can see the T-mark (greenish yellow) on the floor near Kate, moments before Karev walks in and stands there. It's visible again just as Karev walks away. (00:01:05)
17 Seconds - S2-E26
Visible crew/equipment: After Burke and Alex board the helicopter to get the heart transplant, in the shot of Cristina backing away from it, you can see a red-capped crewmember and the camera reflected in the chopper's window. (00:06:25)
Grandma Got Run Over By A Reindeer - S2-E12
Visible crew/equipment: When Burke and Cristina are walking along and Burke asks her if there is anything he should know about her religious holidays, you can see crewmembers, a boom and a stage light reflected in the glass running alongside. (00:05:30)