How I Met Your Mother (2005–2014)
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Perfect Week 

When Barney is about to complete the perfect week - landing seven different girls in seven days - the gang roots him on in order to forget about their own miserable week.


Pamela Fryman


Carter Bays (created by), Craig Thomas (created by) | 4 more credits »

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Episode cast overview, first billed only:
Josh Radnor ... Ted Mosby
Jason Segel ... Marshall Eriksen
Cobie Smulders ... Robin Scherbatsky
Neil Patrick Harris ... Barney Stinson
Alyson Hannigan ... Lily Aldrin
Jim Nantz Jim Nantz ... Jim Nantz
Nick Swisher Nick Swisher ... Himself
Larry Poindexter ... Joe Donovan
Charlene Amoia ... Wendy
Lyndsy Fonseca ... Daughter
David Henrie ... Son
Jessica Borden ... Joanna (as Jessica Faye Borden)
Hong Chau ... Cook Pu
Ryan Daniel Dobson ... Danny (as Ryan Dobson)
George Finn ... Jamie Adamic


By the third day, it looks as if Barney's perfect week - sleeping with seven different women on each of the seven days with no rejection - may become a reality. It not only becomes Barney's obsession, but that of Marshall, Lily, Robin and Ted, as those four need something to take their minds off what a bad week they're having. Marshall and Lily have lost yet another couple friends when information about Marshall and Lily's life is made public. Robin has yet to hear from her latest date, which bothers her despite thinking that he was boring. And Ted is having problems with a student in his class who he thought was putting him on. But the four find out that behind Barney's perfect week quest, he too is facing a major problem in his life. Only Lily believes Barney needs to get out from the perfect week quest and deal with his problem head on. Written by Huggo

Plot Summary | Plot Synopsis


Comedy | Romance


TV-PG | See all certifications »






Release Date:

1 February 2010 (USA) See more »

Company Credits

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Technical Specs


Sound Mix:




Aspect Ratio:

1.78 : 1
See full technical specs »

Did You Know?


Nick Swisher is the husband of JoAnna Garcia-Swisher who plays Maggie Wilks in the Season 5 episode, "The Window". See more »


In this episode we learn Lily and Marshall have been sharing a toothbrush for the past 8 years but in the season one episode "Zip, Zip, Zip" Lily and Marshall are both in the bathroom brushing their teeth with their own toothbrushes. See more »


Barney Stinson: See that woman nursing a Black Russian? She's about to chase that with a White American. Up top!
See more »


References Major League (1989) See more »


Hey Beautiful
Written by The Solids
Performed by The Solids
See more »

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User Reviews

May be the best episode of 5th season till now
2 February 2010 | by bipulkumarbalSee all my reviews

Right from the beginning "Perfect Week" has some engaging storyline. Everything about the episode was very thoughtful and funny. Barney's imagination of being interviewed by renowned anchor and the incredible stats of his sexual achievements. Least to say every man in the planet will love to break that stat. Again Barney's thought how Ted("Best friend I ever had"), Robin("The Best Sex I ever had") , Lily and Marshal thinks about him on absence of him is just got funnier. Apart from the Barney's triumph, all of them were not happy with the way that week was going. Barney was going to fire, Lily and Marshal's secret of having one toothbrush was revealed to the world, Robin's soul mate was not calling him for the second date and one of the student of Ted was going to drop from his class. But all the sorrow moments got diluted in front of the 7 out of 7.

The "Perfect Week" is a perfect episode.

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