Oh Spencer, accidently getting your Pretty Little Liars boyfriend stoned is not the best way to repair a damaged relationship.

'Pretty Little Liars' Season 6 Spoilers: 'Last Dance' Is A's Last Chance? A Faux Prom Is About To Be Wrecked

Spoby has been on the rocks since season 5, and Spencer's foray back into drugs could put the pair on a permanent hiatus. Series creator Marlene King hasn't rung the 'ships death knell quite yet, however.

Photos from episode 9 indicate that the wayward teen will bring her cop boyfriend to the Liars "Last Dance" prom. Banned from Rosewood High's actual soiree when the school board cows to their A/Charles/Freddie fears, the Liars will scoop up their dutiful boyfriends and throw their own bash.

'Pretty Little Liars' Season 6: Does Mike Have A Message For Aria? Get Ready For Cody Christian's Return

The prom may be in a barn, but the atmosphere is perfect for Spoby to share a little kiss on the dance floor.

Unfortunately, there will, as always, be one uninvited guest. Thanks to certain attendees'' decision to turn the evening into a masquerade, it will be hard to pick the gatecrasher out amongst the Liar's horde of friends.

Learn more when Pretty Little Liars airs Tuesdays at 8 p.m. ET on ABC Family. Watch the video below to see a preview for the series' next episode, "FrAmed."