Archie and the gang discover the secret behind the ghostly horse that is trying to disrupt Mr. Lodge's plans to build a new mall.; Reggie discovers that just as Archie can transform into Pureheart the Powerful by calling on his inner goodness, he can use his inner rottenness to turn into that caped fink, Evilheart.; Archie and the gang travel to Los Angeles on the Lodge jet to find out how the LA Library is dealing with budget cuts so they can try some of the same things in Riverdale. While there Archie attends a film-making workshop and finishes his documentary of the Archies.; Archie and the gang go to a super-store to buy Archie a new TV.; A rival school tries to trap Chuck in a cave to prevent him from competing in a track meet.; The school holds a dance contest similar to Dancing with the Stars.; Chuck draws pictures for his friends showing their greatest desires.; When Archie's mom is feeling bad about her birthday, Archie takes her to the beach to hang out with his gang of friends.; In a parody of "Trouble" from THE MUSIC MAN, the narrator explains that Archie has got trouble with a capital T, and that rhymes with P, and that stands for Pool -- that is, the pool in Veronica's house, which tempts Archie to try and live a life of luxury he can't afford.; Archie and the gang like to swim at the lake because of the rope swing and end up having a contest to see who has the better swing and dive.; Archie learns how to skateboard.; In prehistoric times, Archie and Reggie argue with Betty and Veronica over how to develop a language. The girls win when they invent the word "Vamoose!" to scare off dinosaurs.; Veronica criticizes Betty for being unfeminine for practicing baseball, but Archie's reaction to Betty's prowess changes her tune.; Jughead gets fired from Tasty Burger.; Musicians from the future arrive in the pre-historic past.; Reggie finds a stranger whose magic powers make various members of the group disappear.; Jughead tricks Reggie into letting him drink his soda.; Reggie asks Mandy out for a date.; Archie wants to pitch in the baseball game.; Dilton gets an idea for a new invention watching Veronica play tennis.; Archie helps his mom with the groceries until a pretty girl walks past.; Archie and Jughead on a jet ski.; Archie tries to explain the basics of volleyball to Veronica.; Archie mixes college thoughts with girl thoughts.; Mr. Lodge is on vacation and is surrounded by pictures of Archie.