Nergel returns, much to Grim, Mandy, and Billy's detest. Billy feels sorry for him after Nergel tells the group that all he's ever wanted was a friend. Thus, Billy introduces him to the five-C's of friendship to help him learn how to make friends.

Joy meets Bing Bong in Riley's memories. Joy and Bing Bong enjoy discussing Riley's memories of Bing Bong.

Hiccup (human) and Toothless (dragon) begin to bond over fish dinner, and start a friendship by drawing each other pictures.

Chrissa's grandmother explains that, like people, llamas are social animals that need to have a best friend. This is why Chrissa's family bought two. Then, she explains to Chrissa that the best way she can make a new best friend is to find someone in need one.

In her speech at Indiana University, Leslie describes the importance of having a team in order to achieve great things.