Here’s the synopsis for 90210 Season Finale episode 3×22 – To The Future!.
MONDAY, May 16
“90210” — (8:00-9:00 p.m. ET)
“To The Future!” (TV-14, L) (HDTV)
THE GROUP GRADUATES FROM HIGH SCHOOL – As graduation looms, Naomi (AnnaLynne McCord) makes a decision that could prevent her from graduating with her class. Liam (Matt Lanter) tells Annie (Shenae Grimes) that he doesn’t want to go to college and Ryan (Ryan Eggold) asks Debbie (Lori Loughlin) to move to Paris with him. Meanwhile, an impromptu wedding takes place and Adrianna (Jessica Lowndes) is shunned from the group when they find out her scheme to get revenge on Silver (Jessica Stroup). Gillian Zinser, Tristan Wilds, Trevor Donovan and Michael Steger also star. Rebecca Sinclair directed the episode written by Rebecca Sinclair and Paul Sciarotta (#322).