Even though she is constantly referred to numerous times in the series, Roy's wife Joann is heard but not seen in this episode as John tries to get the TV to warm up.
Both Robert Fuller and Denny Miller stared in Wagon Train.
The brush fire in the last sequence magically blossoms in size from the initial arrival, ostensibly for Jack Webb to reuse grainy stock footage.
When the call comes through to the traffic accident Roy's paramedic shirt doesn't have the paramedics patch on the left sleeve as he's waiting for the captain to give him the address but when they get to the scene of the accident his paramedic patch is on his left sleeve.