Season 4, Episode 19 (Murtaugh): Barney tries to complete, in one day, all the tasks from a list Ted made to prove the gang's not too old to do. Meanwhile, he challenges Ted to complete a list of things they're too young to do.
Season 4, Episode 18 (Old King Clancy): Marshall and Barney lie to keep Ted from finding out the headquarters he'd been hired to design has been canceled.
Season 4, Episode 17 (The Front Porch): Ted is shocked to learn that Lily is responsible for many of his breakups with ex-girlfriends, including Karen. Meanwhile, Marshall defends his wearing of a nightgown to bed.
Season 4, Episode 16 (Sorry, Bro): Ted's college girlfriend reenters his life and Marshall and Lily remember how much they hated her.
Season 4, Episode 15 (The Stinsons): Suspecting he has a secret girlfriend, the gang follows Barney when he leaves MacLaren's and discovers that he seems to have been keeping a family secret from them.
Barney reveals Robin's secret name "Robin Sparkles" and her online porn identity.
How I Met Your Mother: Glitter clip - starring Josh Radnor, Jason Segel, Cobie Smulders, Alyson Hannigan, Neil Patrick Harris, Bob Saget. Directed by Pam Fryman.
1980's Canadian pop sensation Robin Sparkles sings her hit single "Let's go to the Mall"
How I Met Your Mother: Season 6 clip - starring Josh Radnor, Jason Segel, Cobie Smulders, Alyson Hannigan, Neil Patrick Harris, Bob Saget.
Barney shows off his location scouting on an X-rated film for the gang.
Ted points out how the beginning and ending of relationships are similar.
Barney gets a C- in the bedroom.
Bob Saget gives a quick refresher on the first two seasons of HIMYM
Lily threatens to feed Barney his testicles if he tries to sleep with Claudia.
Barney explains the Lemon Law to Robin and Ted.
Check out this exclusive clip from the Season 5 'How i Met Your Mother' DVD.
While having Thanksgiving at a strip club, Barney gets a homeless man a lap dance.
Awkward moments between Barney and Ted in the hot tub.
The guys in Barney’s office are involved in a heated debate about which one of them is really Ted’s best friend.
Barney gets pampered by Robin when acts like a sick baby.
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