Continuity mistake: Barney blocks Ted's path by standing in front of the door. Watch his position as he says, "Ted, don't do this" for the second time, he has his right arm over his head. When the camera changes angles he has it down.
How I Met Your Mother (2005)
1 continuity mistake in The Platinum Rule
Starring: Jason Segel, Neil Patrick Harris, Cobie Smulders, Alyson Hannigan, Josh Radnor
Revealing mistake: While showing the clip of Marshall streaking the first time, you can see thumbnails for videos of him streaking in New York. Those videos were created later that day and could not already be posted. One also shows a woman in yellow and appears to be a retake of the scene. (00:06:15)
More trivia for How I Met Your Mother
Question: Has the mother been cast yet? Also, does the film crew know who the mother is already?
Chosen answer: She was finally shown at the very end of the last episode of season 8, continuing into season 9. The actor's name is Cristin Milioti: http://www.imdb.com/name/nm2129662/.
Knever