Visible crew/equipment: When Tom and Dylan are hanging from the chandelier, there is a shot of the ceiling showing the chandelier coming loose. Then when it cuts back to Tom hanging from the chandelier, in the background behind him is a crewmember holding a boom mic. (00:24:15)
Visible crew/equipment: When the kids are being punished by Tom for soaking Hank's underwear in meat, you can see a bit of the microphone from the overhead shot at the top of the screen. (DVD)
Visible crew/equipment: When they find Mark at the train station in Midland his mother gives him a hug, and a crew member's shadow is visible on Jake Baker's T-shirt.
Visible crew/equipment: When Mark goes back to his bedroom, after the fight with his family, you can see a crew member reflected on the door before he enters the room.
Answer: Because he needed a way to coach the team while also watching his kids.