"World's end" by T.C. Boyle ;-)
The last episode of How I Met Your Mother has not aired yet. The producing team have made mention that the next season, 8 may be their last season.
Hooked - Season 5
it's from the episode called Slap Bet in Season 2
Yes, its currently in progress, i believe they are up to about episode 14 :)
It first aired on Jan 3rd, 2011.
Doppelgangers (Season 5, Episode 24)
The last episode of How I Met Your Mother has not aired yet. The producing team have made mention that the next season, 8 may be their last season.
(2x16) Stuff
Hooked - Season 5
How I Met Your Mother especially season 4, he loves "The Naked Man" episode
Season 5, episode 17 - Of Course
It was Season 5, episode 12, Girls vs. Suits.
Sandcastles in the Sand (Season 3, Episode 16).
Season 4, Episode 11 if I am not mistaken ;-)
The Bracket (Season 3, Episode 14).
it's from the episode called Slap Bet in Season 2
episode 2 book water (season 1)