Continuity: When Marshall and Barney are talking in the back of the cab, the red-edged black book on the dashboard moves back and forth between shots, though the cab is stationary.

Continuity: When the group are at the bar, just as Ted asks Barney's opinion, Marshall's beer bottle goes from at his mouth to on the table in a second.

Continuity: When Robin steps out of her front door to give Ted directions, she wraps her cardigan around herself. In the next shot the cardigan is instantly open, and she wraps it around herself again.

Continuity: When Marshall is pouring champagne, the amount poured is much less than that shown when they all raise their glasses.

Continuity: When Ted tells Robin that he loves her, Robin's hair jumps from behind to in front of her ear between shots.

Continuity: In the closing scene at the bar, the level of beer in Marshall's glass goes up and down without him drinking any. Also, the glass goes from in his hand to on the table in an instant between shots.

Continuity: In the opening scene at the bar, when Ted is debating whether or not to ask out Robin, Marshall's beer is in his hand when the camera is on him, but on the table when the shot is from behind him.

Continuity: In the opening scene at the bar, the level of beer in Ted's glass goes up and down between shots.

Continuity: The morning after the second party, the items on the coffee table change instantly between shots. Several beer bottles and blue cups vanish, whilst a red cup and red bowl appear.

Continuity: At the third party when Lily sits Ted down to talk to him, Marshall stands behind Ted with a beer bottle in his hand. The position of Marshall's hands on Ted's back changes between shots.

Continuity: When Marshall is on the phone to Barney, the green highlighter jumps back and forth from on the desk to on top of the open book.

Continuity: 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: After Natalie throws spaghetti at Ted, the amount and position of the spaghetti pieces changes instantly between shots.

Continuity: When Barney is crouched down, leaning against Robin's chair, the money in his right hand vanishes between shots.

Continuity: 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: When Steph is telling Ted that she used to star in adult films, we see her pick up the mini corn with her chopsticks from one angle, then the shot changes and she picks it up again.

Continuity: In the final scene at the bar, Barney is seen eating the olive from his drink and discarding the stick. A second later, when the shot changes, the olive and stick are back in his glass.

Continuity: 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.

Continuity: When the bartender holds up the napkin with the price of the drinks on it, he is holding it straight. The shot cuts to the view from behind, and the napkin is now held at a clear angle.

Continuity: When they first arrive at the club we see Barney, in close up, undo some of his top shirt buttons. A few seconds later, he is seen in the background with his shirt buttoned.