'Parenthood' Season 5 Finale Spoilers: Haddie Brings Home Her Girlfriend From Cornell [Video]

After an emotional season of "Parenthood," Season 5 will finally come to an end on April 17 with an episode that will either tie up all the lose storyline ends or end with major cliff hangers.

In last week's penultimate episode of "Parenthood," fans were left hanging on big plotlines like Julia and Joel's future and whether or not Zeke and Camille will really sell the house, reports CinemaBlend.

In the season finale, which is titled "The Pontiac," Haddie will return home from college, however, she will bring with her a new lady friend that appears to be her girlfriend.

In the trailer for the episode, she returns from Cornell University with her friend Lauren. The preview shows them kissing and talking about telling people something. However, it seems like Haddie's younger brother Max finds out about Haddie's secret relationship before she lets the cat out of the bag.

But Haddie and her presumed girlfriend aren't the only ones that share a romantic kiss in the promo. There's also a scene where it appears Sarah and Hank will finally give their relationship another shot and Sarah lays one on him.

In the meantime, Joel and Julia's future still seems to be very much up in the air. In the last episode, Joel unexpectedly showed up on Julia's doorstep and appeared to finally miss his family. However, there's no telling if he and Julia will reconcile after she slept with another man during their break.

In addition, Amber and Ryan will reunite and spend time together in the hospital as Ryan recovers from a car crash.

According to BroadwayWorld, the official synopsis for "The Pontiac" states, "Haddie comes home for the summer, while Adam and Crosby reminisce about their childhood and also reenact some childish antics. Amber reunites with Ryan and struggles to let him go. Meanwhile Sarah finally addresses Hank's request. Victor conquers his fears and Julia and Joel are there to support him, while Zeek surprises him with a driving lesson. Drew realizes a mistake and goes after what he wants."

The Season 5 finale of "Parenthood," "The Pontiac" will air on Thursday, April 17 on NBC at 10 p.m. EDT.

Watch a promo below.