When Robin tells the group about her summer of love, Barney responds with "tell me more, tell me more, like did he have a car?"
Robin says a friend from Canada is visiting, and Barney asks if it's someone she went to Degrassi with.
The movie is mentioned in the end credits "Bro Code #41".
Lilly's high school friend, has the same name as the character Alyson Hannigan played in the American Pie series
Panda mentions that Dawson got a depression after Batman stole his girlfriend and a stillimage from "Sandcastles in the sand" is shown
Robin's second video "Sandcastles in the Sand" is shown.