season One:

a Love Story In Reverse: How I Met Your Mother Is A Fresh New Comedy About Ted (josh Radnor) And How He Fell In Love. When Ted's Best Friends Marshall (jason Segel) And Lilly (alyson Hannigan) Decide To Tie The Knot It Sparks The Search For His Own Miss Right. Helping Him In His Quest Is His Bar-hopping "wing-man" Barney (neil Patrick Harris), A Confirmed Bachelor With Plenty Of Wild Schemes For Picking Up Women. Ted's Sites Are Set On The Charming And Independent Robin (cobie Smulders), But Destiny May Have Something Different In Mind. Told Through A Series Of Flashbacks, Ted Recalls His Single Days, The Highs And Lows Of Dating And The Search For True Love.

season Two:

a Love Story In Reverse: A Fresh New Comedy About Ted And How He Fell In Love. The Series Is Narrated Through Flashbacks From The Future About The 5 Friends And Their Dating Misadventures.

season Three:

friends minus One. The Series Is Narrated Through Flashbacks From The Future About The 5 Friends And Their Dating Misadventures.

season Four:

from Dating Dilemmas To Career Conundrums, The Recently Engaged Ted And His Feisty Friends Find Themselves At The Crossroads Of Young Adult Life. While Newlyweds Marshall And Lily Contemplate Parenthood, Single Gal Robin Explores The Advantages Of Having "friends With Benefits." Meanwhile, The Irrepressible, Opinionated Barney Continues His Hilariously Dogged Pursuit Of The Fairer Sex. As For Ted, His Miss Right Is Out There, But Amid Bar Brawls, Blizzards, And Buck-naked Strangers, How Will He Ever Find Her?

Stills from How I Met Your Mother: Season Four (Click for larger image)