-
"A Night at the Opera"
Melissa and Ian's senior prom takes place at rosewood high. Significant since Big A makes the girls reenact it when they are imprisoned in the dollhouse 7 years later. -
Radley Sanitarium
Marion Cavanaugh mysteriously died at Radley after said to jumped off or been pushed off the roof -
Jenna and Alison feud begins
One year after Marion's death, Jenna Marshall moves to rosewood with her mother who married Toby's father. Alison invites Jenna into her friend group but Jenna declines and the feud between them is born