We’ve officially closed the chapter on the third season of How I Met Your Mother and it’s incredible how regularly this show manages to outwit other sitcoms.  While tonight’s episode was was a plot-heavy one, there was still tonight’s gem:  Barney’s Datetime Continuum.If that’s not enough to keep you reading, how about photo stills of every frame of Ted’s life-flash (including one that makes no sense!).  Catch it  along with the rest of the review after the click.…