Continuity mistake: When Robin is talking to her boss about his dog, the pens and pencils in the holder on his desk change depending on the camera angle.
Continuity mistake: After Natalie throws spaghetti at Ted, the amount and position of the spaghetti pieces changes instantly between shots.
Continuity mistake: When the gang are discussing what Ted should say to break up with Natalie, the amount of beer in Marshall's glass goes up and down between shots.
Continuity mistake: When Ted is talking about getting a blessing from a pimp, Barney's drink just disappears from the table. (00:03:35)
Nothing Good Happens After 2 A.M. - S1-E18
Continuity mistake: When Robyn is leaving at the start, the dogs change place instantly. Note the Dalmatian. (00:01:30)
The Pineapple Incident - S1-E10
Continuity mistake: When Trudy takes Ted's phone she grabs it with 2 hands. Camera cuts and now she has one hand on her face. (00:17:35)
Matchmaker - S1-E7
Continuity mistake: In the opening scene at the bar, when Ted and Barney are discussing the idea of going to visit a Matchmaker, Ted's beer glass suddenly goes from being about a quarter full, to being nearly three-quarters full. (00:02:20)
The Pineapple Incident - S1-E10
Continuity mistake: When Barney is getting out of the booth to go and talk to the ladies, he isn't holding Robyn's glass in one shot but is in the next as the camera changes. (00:02:10)
Continuity mistake: When Ted and Robyn ask if they can scoop stuffing, Robyn had one strand of hair falling down her face. However, in one shot she's got two strands of hair. (00:07:30)
Continuity mistake: The foam on top of the drinks Barney puts down at the start changes drastically between shots. (00:01:50)
Okay Awesome - S1-E5
Continuity mistake: Ted asks if he had a stroke at the start of the episode and puts his hand to his chest. Camera cuts and his hand has swapped from his right to his left on his chest. (00:00:35)
Okay Awesome - S1-E5
Continuity mistake: In the opening scene at the bar, Ted's beer bottle moves from in his hand on his lap to on the table between shots. (00:00:30)
Continuity mistake: When breaking up with Natalie, her hands are constantly changing position between instant cuts. (00:18:30)
Continuity mistake: When Barney is scoping the apartment, his hands are next to his temples. As the shot changes to a wider shot, they are now much further away from his temple. (00:08:05)
Continuity mistake: When Barney is explaining about there always being 1 girl who doesn't know who's party it is, his hand is sudden;y outstretched or by his side depending on the shot. (00:08:00)
Chosen answer: In a flash forward scene in Season 8, it shows him with his first born: a daughter.
XIII