6 Episode 1 - Big Dayshow I Met Your Mother : Season

: The couple officially begins their first attempt to conceive a baby. Conflict arises when Lily realizes Marshall’s father, Marvin Sr., is over-involved in their private plans.

In the season 6 premiere of How I Met Your Mother , titled , Ted and the gang face major life transitions as the series begins building toward the reveal of the Mother. The episode originally aired on September 20, 2010 . Episode Overview Big DaysHow I Met Your Mother : Season 6 Episode 1

: Following her breakup with Don, Robin has let herself go, appearing disheveled and "losing her 'it'". After a lecture from Barney, she returns to the bar in a sundress, reclaiming her confidence. Cast and Guest Stars RECAP: How I Met Your Mother “Big Days” S6 E1 : The couple officially begins their first attempt

: The episode is bookended by a flash-forward to a rainy wedding day "a little ways down the road". Future Ted reveals this is the day he finally meets the Mother. The episode originally aired on September 20, 2010

: Ted spots a beautiful woman at MacLaren's and believes she might be the former roommate of his ex-girlfriend Cindy (guest star Rachel Bilson)—the woman he is destined to marry. However, he discovers the woman is actually Cindy’s new girlfriend.