Kristin finds herself comparing her boyfriend Ryan, who is on strike from his driving job, to the ambitious John Baker. Meanwhile, Mike and Eve try to catch each other unaware as part of sniper training.
When Vanessa tries to relive her PTA glory days by taking over the Halloween haunted house fundraiser for Boyd's school, her ideas prove too scary for him. Now, Mike must find a way to reassure Boyd and help him face his fears.
After the guys can't get Comic-Con tickets, Sheldon tries to hold his own convention and winds up spending a wild night with James Earl Jones. Meanwhile, the girls see if they can act like 'grown-ups.'
The top eighteen battle it out for immunity in an epic team challenge. With only forty-five minutes on the clock, the losing team has to break down a chicken to make a delectable dish in an intensely crucial elimination challenge.
Phil and Jay run an errand together to pick up Lily's hand-me-down princess castle for Joe. However, both are in a mood because Phil is upset that Claire won't let him buy a videogame console and Jay thinks Gloria is letting Joe play with girlie items.
When Ted and Robin decide to help feed the homeless on Thanksgiving Day, they are shocked when they run into Barney and learn that he is a regular volunteer at the shelter. Things do not go smoothly when Marshall and Lily go to Minnesota.