Continuity mistake: In the opening scene, Inga is wearing a purge mask. When she goes underwater, she is wearing a completely different mask that has no purge valve.
Continuity mistake: Bosley is speaking to Sabrina from the agency. He is using a white phone receiver. Sabrina asks him to run the plates for a vehicle. Bosley picks up a red phone receiver. He then speaks to Sabrina using the white phone. She tells him to call the highway patrol and hangs up. Bosley then picks up the red phone, but proceeds to use the white phone's keypad to make the call to the highway patrol. (00:32:55)
Answer: She had the kind of incredibly fortunate recoveries that only television writers can provide.
Michael Albert