Jarchie

Jarchie is the slash ship between Jughead Jones and Archie Andrews on CW teen mystery drama Riverdale.

Canon
RIFT Jughead and Archie have been best friends since they were kids, but a rift between them occurs in the summer before their sophomore year, partly because, unbeknownst to Jughead (or anyone), Archie has an affair with Riverdale High's music teacher, but mostly due to the secret Grundy and Archie keep that they were at Sweetwater River on 4 July and heard a gunshot. Jughead is visibly wounded that he doesn't recognise his former best friend, but is still willing to give Archie advice about Betty.

When Jughead sees Archie and Grundy together he confronts Archie, who tells Jughead about what they heard on July 4. Jughead undelines the severity of the situation, imploring Archie to tell the authorities and to realise that Grundy is just using him. Archie basically threatens Jughead not to tell anyone, at which Jughead is appalled. Reggie accuses Jughead of having killed Jason and Archie steps in between them and tells Reggie off, leading to a fight. Archie decides to come clean and apologises to Jughead for how he treated him, to which Jughead replies they'll mend it over time and their friendship starts anew.

RIVALRY

Although Archie rejected Betty, Jughead feels guilty after kissing Betty and she becomes an unspoken point of contention between the two formerly close friends, who struggle to adjust to this new development. Archie notices that they've gotten closer and tries to ask Jughead, who seems nervous about what it will do to their friendship. Once Jughead struggles with his father, Betty is there for him and Archie sees that she and Jughead are in a relationship. Jughead moves into the Andrews home and, although Archie states he's fine (and is also with Valerie, kisses Cheryl and later hooks up with Veronica), there are a lot of little moments to suggest that Archie's angry with Jughead, or jealous, because Jughead is with Betty.

NORTHSIDE VS. SOUTHSIDE Although Betty, Jughead, Archie and Veronica all help each other out and work to free FP from prison, also saving Cheryl from drowning, they are slowly moving along separate paths after Fred Andrews is shot. Jughead supports Archie, who is spiralling and takes vigilante action, though not revealing that he gets help from the Serpents and has been semi-inducted. The former best friends start to lead separate lives as Archie teams with Dilton and Reggie to form the 'Red Circle' while Jughead starts attending Southside High. When Archie dumps Jughead for Betty, he's brutal as he realises Jughead is joining the Serpents, but Archie saves Jughead from prison when Mayor McCoy raids Southside High, and they later fall out when Archie reveals to Jug he called the police to get the Ghoulies arrested.

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