When Nancy Clancy finds out that both her guitar teacher, Andy, and her favorite babysitter, Annie, have broken up with the people they were dating, she decides to make them fall in love on Valentine's Day.

Eight-year-old Emma is upset to learn that her mother is dating, but not passing along a message about a cancelled date makes Emma feels worse.

"On the night of the Party at the Mystery Shack, Dipper discovers a way to clone himself and thinks he's found the key to finally wooing Wendy. But will Dipper muster up the courage to ask her to dance? Or will his clones get jealous and turn on him? Then, when Lil' Gideon knocks Mabel out of the "friend zone" into the "romance zone," Mabel can't turn him down! Will Dipper help Mabel break up with Lil' Gideon? Or will Mabel become Lil' Gideon's lil'...

Nine-year-old Terrel Liu tries to sabotage her father's new relationship with the aunt of her ballet class nemesis.