Chapter Three: Body Double

"Guilt. Innocence. Good. Evil. Life. Death. As the shadows around Riverdale deepened, the lines that separated these polar opposites blurred and distorted. "I'm guilty," Cheryl said in biology class, but of what?"

- Jughead Jones

"Chapter Three: Body Double" is the third episode of the first season of Riverdale. It premiered on February 9, 2017.

Synopsis
THE GIRL WHO CRIED SHOTGUN — After new information surrounding Jason's death comes to light, Cheryl finds herself under a cloud of suspicion and forced to come clean about the last time she saw her brother. Meanwhile, Archie makes a tough decision that puts a major strain on his relationship with Miss Grundy. Elsewhere, Betty decides to revive the school newspaper and asks for Jughead’s help in investigating Jason’s death. Veronica and Ethel work on exposing some of Riverdale High’s football players after rumors of a “shame book” begin to circulate. Finally, after getting grounded by his dad Fred, Archie must figure out a way to make it to the Taste of Riverdale event where Josie and the Pussycats will be performing a song he helped write.

Starring

 * KJ Apa as Archie Andrews
 * Lili Reinhart as Betty Cooper
 * Camila Mendes as Veronica Lodge
 * Cole Sprouse as Jughead Jones
 * Marisol Nichols as Hermione Lodge
 * Madelaine Petsch as Cheryl Blossom
 * Ashleigh Murray as Josie McCoy
 * Mädchen Amick as Alice Cooper
 * Luke Perry as Fred Andrews

Guest Starring

 * Adain Bradley as Trev Brown
 * Ross Butler as Reggie Mantle
 * Jordan Calloway as Chuck Clayton
 * Casey Cott as Kevin Keller
 * Martin Cummins as Sheriff Keller
 * Major Curda as Dilton Doiley
 * Robin Givens as Sierra McCoy
 * Sarah Habel as Geraldine Grundy
 * Shannon Purser as Ethel Muggs
 * Nathalie Boltt as Penelope Blossom
 * Asha Bromfield as Melody Valentine
 * Peter Bryant as Weatherbee
 * Barclay Hope as Cliff Blossom
 * Hayley Law as Valerie Brown
 * Colin Lawrence as Coach Clayton
 * Lochlyn Munro as Hal Cooper

Co-Starring

 * Cody Kearsley as Moose Mason
 * Broadus Mattison as Boy Scout Dad
 * Caitlin Mitchell-Markovitch as Ginger Lopez
 * Olivia Ryan Stern as Tina Patel
 * Alvin Sanders as Pop Tate
 * Trevor Stines as Jason Blossom
 * Adam Swain as Adventure Scout #1

Soundtrack

 * "All For Me"

Quotes
"I don't follow rules, I make them, and when necessary, I break them. You wanna help me get revenge on Chuck, Betty, awesome. But you better be willing to go full dark, no stars."

- Veronica to Betty after being slut-shamed.

"I saw the way you looked at me... During Grizzly training. You're hiding something."

- Jughead interrogating one of Dilton Doily's scouts

"... But one thing was certain, Betty and Veronica, now B&V, and maybe forever, had been forged."

- Jughead narrates after Betty writes her Blue and Gold exposé

Trivia

 * As an easter egg, several characters that have made minor appearances in Archie Comics before are seen commenting on Chuck's Instagram post. These include Tony* (Toni) Topaz, Frankie Valdez, Angel Angelino, Debbie Dalton, Marie Rodriguez and Cricket O'Dell.
 * Greendale is mentioned by Cheryl. In the comics, this is the home of Sabrina Spellman.
 * The title of the third chapter, "Body Double", comes from the Brian DePalma film of the same name.