The 100th episode of the series.
It is disclosed for the first time that in being married to Toby, Kate goes by the hyphenated surname Pearson-Damon.
At Kate's wedding, Kevin's family jokes about him dating women who are spokespersons for various companies and products, such as State Farm and Verizon. Milana Vayntrub, who earlier portrayed one of Kevin's former girlfriends, was also the one time spokesperson for AT&T.
First time of the series Kate and Toby have a scene with adult Jack.