|Intimacy Level:||Good Friends|
Quinn and Brittany are seen in the Celibacy Club with Santana, the other Cheerios and Rachel. Later, Quinn, Brittany and Santana perform I Say a Little Prayer to join the glee club, and Brittany strokes Quinn's arm at the end of the performance. Later, all three are seen in Sue's office and she asks them to spy on the glee club for her.
Quinn and Brittany are seen washing cars together. Later, Dakota Stanley says to them that they're perfect.
Brittany gives Santana a shoulder massage in the choir room, when they learn that Quinn is pregnant.
When the girls are preparing for their performance, Brittany jokes about Quinn being absent. With Santana, they report details on New Directions to Sue. They also dance to Halo/Walking on Sunshine.
Brittany takes Quinn's paper during a test, Quinn who was angry with Finn, snatches it back and does not let Brittany copy her answers, even when Brittany states that she did not understand anything, Quinn responds by saying "That's not my problem." They hold hands before Rachel and Finn perform No Air, they also share looks during this song. They're the only Cheerios practicing along with Santana. Later, Quinn sings You Keep Me Hangin' On with the help of Brittany and the other Cheerios.
They dance together in Bust a Move.
Quinn sits with Brittany and Santana when they deface a yearbook, while Quinn talks about wanting to be in the Cheerio squad's yearbook picture.
Quinn puts Brittany as fourth on the Glist.
Quinn is seen with Brittany practicing vocals on the piano, looking rather bored. They are on Rachel's list of Glee Club members who "are not pulling their weight."
They both make comments about Finn's body in the Rocky Horror rehearsals. Also they two dance together in Whatever Happened to Saturday Night? Brittany also sings back up for Quinn in her parts of Time Warp.
When they sing Start Me Up/Livin' on a Prayer with the other New Directions girls, Quinn is partnered with Brittany.
Along with Santana, they sing and dance in Forget You.
With the Cheerios, they dance to California Gurls. They are also seen with Santana cheerleading during the football game. Quinn and Brittany, with the other Cheerios, later are seen outside with Sue who is unveiling the new cannon which she will shoot Brittany out of. Brittany worries that she will die, but Quinn assures her that she will tell Will and get him to stop it. Sue then tells them that they have to choose between Glee Club and Cheerios. At first, they quit Glee Club but are convinced by Finn to return at the end of the episode.
They stand next to each other while their boyfriends perform Somebody to Love and also sit together in Glee Club.
At the end of the episode, they can be seen sitting together in the Choir Room, and when Sam's brother and sister come into Glee Club they sit on Brittany and Quinn's laps. They dance together in Don't Stop
Brittany and Quinn sit next to each other, laughing and chatting on the steps at the start of the episode. They dance together and share looks and smiles during I Love New York/New York, New York. Brittany and Santana console Quinn when she is sad about Finn breaking up with her, Brittany strokes Quinn's hair and rubs her arm comfortingly. She accompanies Quinn to get a hair cut. Quinn also shows that she knows about the sexual nature of Brittany and Santana's relationship and that she is fine with it. Later, when Will tells them he is not leaving for Broadway, they are seen sitting together. They dance together in Light up the World.
With Santana, Brittany try to persuade a new-look Quinn to rejoin Glee club (after she quit), and the Cheerios. Brittany states that they used to be "like the Three Musketeers," and that they all slept with Puck and joined the Cheerios the same year. Brittany and Santana admit to missing Quinn in their trio and openly express their wanting of her to be their friend again. Quinn, however, rejects their offer.
Quinn dances to Brittany's performance of Run the World (Girls) along with the other female students.
Quinn votes for Brittany during the school president elections (Quinn states she's voting for her only because she's the only one who's a girl). Both, Quinn and Brittany, stand up for Santana, when the captain of the rugby team torments her. Later, they dance together in I Kissed a Girl.
During the performance of Never Can Say Goodbye, we can see that in her locker Quinn has a photograph of the New Directions Girls, including Brittany and also one of just Brittany, playing Columbia in Rocky Horror. Brittany hugs Quinn after the performance and appears really happy for her when she hears of Quinn's Yale acceptance.
Brittany performs I Wanna Dance with Somebody (Who Loves Me) with Santana and unsuccessfully tries to dance with Quinn. After the performance, Brittany says to Quinn that she is still dancing (and flying and breathing fire) in her dreams. In the girls bathroom, Brittany, along with the other girls, comments on the chemistry between Quinn and Joe.
Brittany is in charge of the Prom as she is senior class president and she puts Quinn, along with Santana, in charge of counting the prom court votes. Quinn is nominated for Prom Queen and Brittany for Prom King, they both don't win the election (Actually, Quinn did win, but with the help of Santana, she changes the votes and makes Rachel the winner).
Before the New Directions go onto the stage to perform at Nationals, The Unholy Trinity (Quinn-Brittany-Santana), form a circle to cheer for themselves in private, saying that they began their school career together and that they will also end it together. "Starting together, ending together," Santana says.
They smile at each other when they are sitting on the piano during Will's performance of Forever Young. When Quinn goes to accept her diploma, Brittany fans her with her fan and they hug.Santana, Mercedes, Mike, and Puck. They make the Glee Club glad as they become mentors for the newbies of the group as New Directions prepare for Sectionals. Quinn, Santana and Brittany sing and dance to Come See About Me for the girls of the Glee Club to display how they can dance and sing together in sync. At the end of it, Brittany squeezes Quinn's arm and they giggle. Later, Brittany walks in on Quinn and Santana alone in the choir room, witnessing them slapping each other. Brittany asks, "What are you guys doing?" to which Quinn replies, "Nothing."
Sang Together (In a Group Number)
|Time Warp||The Rocky Horror Glee Show||Kurt, Finn, Santana (album), Artie, Tina and Mercedes|
|Marry You||Furt||Rachel, Sam, Finn, Artie, Tina and Mike|
|The Most Wonderful Day of the Year||A Very Glee Christmas||Kurt, Artie, Sam and Tina|
Danced Together (In a Group Number)
- I Say a Little Prayer by The Supremes. (Showmance)
- Cherish / Cherish by Madonna / The Association. (Heart)
- Come See About Me by The Supremes. (Thanksgiving)
- They both have slept with Noah Puckerman and Santana Lopez.
- They slept with Puck in the same year.
- They have both dated Sam Evans and Finn Hudson.
- They form the Unholy Trinity together with Santana.
- Brittany and Quinn have both been head-Cheerio at some point.
- They both were kicked out of cheerios. (Quinn in Mash-Up and Brittany in Britney 2.0)
- Brittany has tried to break up a fight between Quinn and Santana twice, once in Audition and another time in Thanksgiving.