Other mistake: An old woman in a dress shop peeps out to see all the cameras in front of her store before the Beatles run by on their way back to the studio. (01:13:40)
Other mistake: When Ringo and the young boy with the tire walk along the path together and the boy asks Ringo, "Why aren't you at work?," you can see Ringo mouthing the line along with him.
Other mistake: When the Beatles are playing cards and singing "I Should Have Known Better," Paul (who shouldn't really be singing anyway) flubs the first line of the last verse. He sings "I sh... [laughs] never realized..." John does almost the exact same thing when they sing "I Should Have Known Better" in the concert scene.
Other mistake: When the Beatles are rehearsing for the TV gig, it is easy to see that they are not actually playing their instruments. John points out to Ringo that he isn't even hitting the cymbals, which he attempts to improve.
Chosen answer: No, she has not met Lennon before, and she's unsure if it is really him. The whole conversation is written so that their bantering does not make any real sense, and it humorously depicts how famous people are sometimes perceived by the non-famous. Basically, the woman doesn't know what she is talking about but wants to sound like she does.
raywest ★