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Mystery vs. History

"Mystery vs. History"
How I Met Your Mother episode
Episode no. Season 7
Episode 6
Directed by Pamela Fryman
Written by Chuck Tatham
Production code 7ALH06
Original air date October 17, 2011 (2011-10-17)
Guest appearance(s)

Kal Penn (Kevin)
Ray Wise (Robin Sr)
Amber Stevens West (Janet)
Eleanor Seigler (Mia)
Rachel Sterling (Paula)

Episode chronology
← Previous
"Field Trip"
Next →
"Noretta"

Kal Penn (Kevin)
Ray Wise (Robin Sr)
Amber Stevens West (Janet)
Eleanor Seigler (Mia)
Rachel Sterling (Paula)

"Mystery vs. History" is the sixth episode of the seventh season of the CBS sitcom How I Met Your Mother and the 142nd episode overall. It aired on October 17, 2011.

When Ted decides to date a woman named Janet MacIntyre without researching her, Barney and Robin attempt to intervene by researching Janet for him, which he insists that they do not. Ted explains to Kevin that Robin and Barney have researched many of the women he dated in the past and ruined the relationships by revealing unappealing background information on them. Before his date with Janet, he makes a deal with her that they will not research each other on the Internet, which she agrees to.

In the meantime, Marshall and Lily recruit Barney, Robin, and Kevin to help paint the room for their baby. Though they have obtained the information on the sex of their baby, they choose not to open the envelope containing the information so that the baby's sex will be a surprise when it is born. Barney disagrees with their decision and tries to convince them to open the envelope, arguing that there are advantages to knowing what the child's sex will be. When everyone begins arguing about whether "mystery" is better, Kevin calls them out on their behavior. He admits that while he did not want to analyze them, he has noticed that everyone in their group is unreasonably close and have been meddling too much in each other's lives. While Kevin's assessment appears to be true, it causes a rift between him and Robin, which he attempts to make up for by offering to paint the rest of the room by himself.

During the painting session, Barney and Robin have insisted on continuing their research on Janet for Ted. Through their research, they learn a number of startling things about Janet which they attempt to share with Ted. Marshall eventually allows Barney to learn the sex of the baby if he does not tell him and Lily, but Barney eventually convinces them to look, only to rip the card in half and refuse to give the half with the information back to Lily and Marshall. Barney agrees to give it to them if they look at what he and Robin have learned about Janet. When Marshall gets the card, he and Lily are unable to firmly decide if they want to know, and Marshall ends up throwing the card out the window for the sake of "mystery."


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