Ted's friends get involved when he doesn't do a background check on his new lady friend; Lily and Marshall deal with learning their baby's gender.
Claire tackles spring cleaning; Phil has a difficult time when Luke seems to outperform him at many things; Haley tries to distract Alex by taking her to a music festival; Gloria attends Cameron's faculty talent show.
Charlotte faces painful memories of a horrible tragedy; Amelia continues to spin out of control; Addison takes a step closer to motherhood.
