Ted and Robin are surprised to run into Barney when they volunteer at a homeless shelter on Thanksgiving.
Ted and Barney pick a fight with a bunch of guys to improve their friends' perceptions of them.
The gang recalls great memories in Marshall's car when it gives out just short of 200,000 miles.
Marshall bequeaths a "slap bet" slap to Ted and Robin; Lily's estranged father (Chris Elliott) visits for Thanksgiving.
While on a trip to Minnesota, Ted and Barney try anything to make Marshall laugh; Marshall runs into an old nemesis from high school.