|Intimacy Level:||Best Friends|
Unique watches Marley perform New York State of mind. Later on Unique approaches Marley with the other members of the New Directions as they apologize for making fun of Millie, her mother. Both girls are slushied by Bobby, Kitty, and Phil and are thus "officially" initiated into the glee club.
Unique tells Marley that as the new girls of the glee club, they should be friends. She asks Marley if she has her eyes on anyone, to which she replies that she likes Jake. Unique warns her that Jake has been seen with many girls from the school already, which leads to the performance of Womanizer in the gym with Tina as they're watched by Jake. After the performance, Jake says that he and Marley should hang out sometime. Marley agrees, but Unique seems disappointed.Sue, Marley, and Unique perform Blow Me (One Last Kiss) as their audition song for Grease, strengthening their friendship.
After Kitty initially refuses to let Unique go to her slumber party, Marley insists she will not go unless Unique is invited. Despite this, Unique is seen making fun of Marley, along with the other girls, in Kitty's performance of Look at Me I'm Sandra Dee.
When Unique returns presenting femininely, Marley is glad to see her before Sectionals starts. Marley is confused though, because Unique's parents doesn't allow him to perform presenting femininely. Unique tells Marley that she can't let them control her true self. Marley is happy that Unique can be true to herself and be who she wants and can be happy at the same time and wish she could be the same. Though after, Unique reassures her.
Unique and the rest of New Directions give Marley food in the choir room, Unique telling everyone to give Marley her space and rest her. After New Directions' initial loss at Sectionals, for the first time, Finn calls them to meeting after finding out that they've separated into other clubs in the school. When Tina leaves the auditorium stage and one-by-one the members of New Directions leave, Unique looks at Marley and contemplating whether to leave her, but eventually, she does, leaving Marley and Finn alone.
Marley and Unique dance in Tell Him with the New Directions Girls. They also sing a duet of Locked Out of Heaven in the Gymnasium for the Sadie Hawkins dance with the rest of the New Directions Girls (except Kitty).
They can be seen watching the guys perform Centerfold/Hot In Herre, dancing and singing together as they sit next to each other.
Unique confronts Ryder about him kissing Marley and trying to create trouble for Jake and Marley's relationship. During The Bitch Is Back/Dress You Up, Unique places a tiara on the head of several New Directions members, including Marley and herself.
Marley and Unique sing You Have More Friends Than You Know with Blaine and Sam, which Marley wrote for the three, as she wants New Directions to sing one of her original songs. Unique compliments the song after singing it. Later on, at the end of the episode, they are both seen performing Marley's original song, Outcast, with New Directions.
During the New Directions performance of Longest Time, Marley and Unique can be both seen sharing interactions with each other and dancing together.
Marley covers for Unique in this episode when it is revealed that Unique is the catfish that has been dating Ryder online and via texts. Unique is emotional about the fact that she likes Ryder as in a flashback, she explains to Marley about why she did it. Later, when Ryder asks Marley why she would do it, she tries to cover up again, but Unique finally lets down her shield and tells the truth. She tells Marley that she doesn't have to cover. Marley is confused and shocked but she leaves as she is told, leaving the two to have a confrontation.
Marley and Unique can be seen only at the carnival while Artie and Kitty perform Drive My Car, and they ride on the bumper cars together.
At the Junior-Senior Prom, Marley and Unique, alongside Jake and Ryder, perform Sgt. Pepper's Lonely Hearts Club Band.
Unique starts to realize that cheerleader, Bree, is trying to get with Jake, when he decides to go help Bree and the Cheerios with a dance performance. After this, Unique grabs her phone and calls Marley, to warn her about Bree and Jake's interactions. She also suggests that Marley should fight back and show Bree and Jake that she can be risky. But Marley disagrees, saying that she doesn't want to be paranoid about Jake.
Sang Together (In a Group Number)
|This Is the New Year||Naked||Blaine, Sam, Jake, Brittany, Ryder, Artie, and Tina|
|Wannabe||Guilty Pleasures||Kitty, Tina, and Brittany|
|Mamma Mia||Rachel, Santana, Kurt, Kitty, Sam, and Blaine|
|You Have More Friends Than You Know||Sweet Dreams||Sam and Blaine|
|Outcast||Jake, Kitty, and Ryder|
|Sgt. Pepper's Lonely Hearts Club Band||Tina in the Sky with Diamonds||Jake and Ryder|
|On Our Way||The End of Twerk||Sam, Tina, Artie, Blaine, Jake, Kitty, and Ryder|
|Mary's Little Boy Child||Previously Unaired Christmas||Tina|
- They were both slushied in The New Rachel by Phil Lipoff and Bobby Surette.
- Despite them being best friends, Unique still joins in with the rest of the girls when Kitty teases Marley performing Look At Me I'm Sandra Dee.
- Similar to Brittany and Santana, the two can be seen linking pinkies.
- They both had a crush on Ryder Lynn.
- They can be often seen wearing scarfs.