Continuity mistake: When Don and Betty are speaking in the bedroom, Betty lights a cigarette with a lighter in her right hand. In the following shot, the lighter has vanished without her putting it down.
Continuity mistake: During her talk with Dr Edna, Betty's twin string of pearls change between lying together, being apart and going underneath her dress on her right shoulder. (00:36:00 - 00:39:00)
Continuity mistake: Don is called to Bert Cooper's office to discuss Hilton coming into the office earlier that day and his (Don's) lack of a contract. Right after Don enters Bert's office, Bert asks, 'when were you going to tell us about this (Hilton)? ' and you can see the contract (with a blue cover) sitting on the table in front of Lane. There are several more shots of Lane and Roger as they discuss the contract, and it is sitting in the same spot on the table. But after Lane explains that Don must sign the contract, he pulls it from his jacket (not the table) and hands it to Don. (00:15:40 - 00:17:00)
Factual error: At one point Henry mentions that he is from "Mount Salem" in Westchester County. There is no Mt. Salem. There's a North Salem and a Mt Kisco, but no Mt. Salem.
Continuity mistake: Betty and Henry are in the cafe/bakery talking. Betty lights a cigarette but it changes position from shot to shot. She holds it in her hand leaning on the table, to smoking, back to the table.
Shut the Door, Have a Seat - S3-E13
Continuity mistake: When Christina Hendricks is about to leave the office, while talking to Don, she is wearing a scarf on her hair. The scarf corner is tucked in her coat collar and then outside, and inside again etc. in alternate angle shots of the scene. (00:38:00 - 00:39:00)
Shut the Door, Have a Seat - S3-E13
Plot hole: Pierce getting fired would invalidate his work visa. His existing visa would have been for overseeing the management of a foreign firm with a US presence. He would have had to leave the country and reapply for an investor visa. (00:41:25 - 00:42:00)
Chosen answer: At that time, call girls did not command the same amount of money as they do today. By that standard, the $25 would be considered a high rate. Today's upper-level prostitutes can demand far more for their services.
raywest