|Intimacy Level:||Mother/Daughter relationship|
Becky and Sue first meet when Becky tries out for the Cheerios in Wheels. Will Schuester is shocked when Becky is admitted to join, he immediately suspects that Sue has an ulterior reason for choosing Becky. However, it is then revealed that Sue has a sister named Jean, who also has Down syndrome like Becky. It is clear that Becky reminds Sue of her sister. She and Becky bond to the point where Becky appears to be Sue's very close friend. Sue is almost motherly to Becky, giving her help and guidance. Becky is often Sue's 'minion' doing her bidding and helping her carry out some of her schemes.
Sue first meets Becky when she tries out for the Cheerios. At first, Sue calls Becky by the last name Johnson instead of Jackson. After Becky unsuccessfully tries to jump rope, Sue stops her and welcomes her to the Cheerios. Will suspects that Sue is up to something. He later spies on Sue and sees her encouraging Becky harshly to jump rope. He accuses her of being mean but she says that Becky just wants to be treated like everybody else.
Sue informs the Cheerios that they need to be more like Madonna. In a homage to Madonna, she tells them that she no longer acknowledges that any of them have last names. She informs Becky (whom previously she always called Becky Jackson) that she is now just Becky, to which Becky claps excitedly.
Becky is first seen in Sue's office with Santana and Brittany as Sue explains the 'Sue Sylvester Master Cleanse' recipe. Becky displays a little bit of disgust at it. She is later seen getting weighed and it's revealed that she has lost two pounds to which Sue congratulates her.
As of Season Two, Becky takes on a more prominent role as Sue's assistant. She is first seen with Sue at the Cheerios tryouts when Finn auditions. Becky and Sue both display disgust at Finn's tryout.
Becky informs Sue that the New Directions are performing Britney Spears at the assembly to which Sue instructs her to use that citizen's arrest they practiced.
When Sue takes Figgins' role as Principal, (it's assumed that Donna, Figgins' secretary, was fired) Becky is given the role as her secretary.
Sue calls Becky in to give her invitations to post. Later, Becky watches on as Sue is visited by her mother, Doris Sylvester.
Becky assists Sue in ruining Christmas at McKinley by stealing the Secret Santas, and replacing the tub with a tub filled with only Sue's name. Becky and Sue later become the Grinch and Max the Reindog to trash the Choir Room.
Sue instructs Becky to hand out chicken cutlets to the Cheerios to enhance their bust. Both later purchase a giant cannon and Becky smashes the wine on it.
Becky plays the xylophone before Sue announces over the PA system that Will has a drinking problem.
Becky is a part of The Muckraker. She gives out the rumor filled newspapers to all the students.
Sue kicks Becky out of the Cheerios, because Becky reminds Sue of her sister who died. Will is angry about what Sue did to Becky and confronts her in the teachers lounge. The Glee Club organizes Jean's funeral and Sue has a change of heart. She apologizes to Becky and asks her back into the cheerios, this time as captain, which Becky accepts and the two share a monumental hug.
Becky once again becomes Sue's assistant and brings her the poll numbers for the election campaign. Sue later informs Becky that she is co-captain with Santana Lopez much to Becky's annoyance.
Becky helps Sue film Quinn for Sue's campaign video.
Becky consoles in Sue about her feelings for Artie. Sue thinks Becky can do better. When Artie tells Sue that he isn't interested in dating Becky, Sue tells him to treat her like a person and tell her. Later when Becky is down about Artie not reciprocating her interest, Sue grabs out some ice cream and turns on some TV. She tells Becky to take her hand because they will get through it together.
In this episode, Coach Roz takes over the Cheerios briefly after Becky; unbeknownst to Sue files a complaint. Becky is a fan of Roz's work, unlike Sue. Later when Becky is injecting Sue with pregnancy hormones, she fesses up to putting the complaint in about Sue to which Sue informs her that she knew. Sue however isn't angry with Becky who believes that Sue has been distracted from the Cheerios. Sue thanks Becky for the feedback and Becky tells Sue that she is going to be a good mom.
After seeing Becky and Puck with the cardboard crowns, Sue says that Becky is the real queen, no matter who gets elected Prom Queen. Becky then tricks Sue so she and Puck could spike the punch bowl.
Before announcing the elected class president, Sue requests Becky to give off a tune from the xylophone. However, there's an awkward silence due to Becky stopping her seconds prior. Sue says "No? Okay then," and goes on to announce the senior class president which is later revealed in the episode to be Blaine with his companion, Sam.
It is shown that Sue got Becky a Christmas present. It's a really nice, expensive sweater, but Becky doesn't accept it. She says she would rather get a man for Christmas. Later on, they are seen looking in the Rose's window, smiling because of the joy they gave to Millie and Marley, by giving them an amazing Christmas.
Coach Roz Washington calls up Blaine and Becky and notices that Sue's reason of bringing a gun wasn't actually normal and thinks that Blaine and Becky put a hex on Coach Sue. Therefore, Coach Roz asks them to do an oath so they will not hex her. Blaine notices Becky's behavior and asks her if she knows anything about the gun shooting relating to Sue's fire but Becky kept the secret and furiously pushed people and a xylophone, making Blaine suspicious.
Sue is seen sitting on the bleachers watching as the Cheerios practice, Becky walks to her and tells her how horrible Roz Washington is treating her in the Cheerios and tries to convince her to come back to take her spot. However, Sue denies the offer and says that she doesn't miss the girls at all; this leads her to sing Little Girls in a dream sequence. When she snaps back into reality, she tells Becky that she's not coming back, Becky is seen sad and walks away from her. They wore the same clothes in this scene. Later, Roz is tired of Becky's attitude during practice and Figgins tries to solve the problem. It seems, Becky is still keeping the secret that she was the one that shot the bullet, but it is unknown if she actually told Figgins.
Sue returns back to McKinley High as the new Principal.In a voice-over, she mentions that Becky is doing time with her one-month suspension from McKinley due to the gun incident. Sue also reveals that she will make Becky her secretary.
Becky returns from her month long suspension as Sue's secretary. It is revealed that both Becky and Sue identify themselves as a Gaga. Becky helps Sue with the morning announcements, dressed as "a little monster", while playing the keyboards (instead of her usual xylophone). Becky interrupts Sue's announcements to command that everyone open their laptops in order to watch the teaser video that Sam made to promote the Applause performance.
Although Becky and Sue do not interact much in this episode, Becky is seen near the end, still working as Sue's secretary and attempting to stop Will from seeing Sue without an appointment. When Will throws a "Sue style tantrum", Becky seems to enjoy the display and assists by trashing a xylophone, despite Sue's protests that Becky not join in.
When Artie tries to help Becky come to terms with her wanting to go to college, Sue tells him to stay out of this, saying that Becky doesn't want or need to go to college, seeing as she already has a job as her becktretary. Artie, however, refuses and gets Becky to confess that she does want to attend college but is afraid of the real world and the mean people. Upon this, Sue calls Artie into her office and Artie realizes that Sue is the one who isn't ready to let Becky go because she cares for her. When Becky tells Sue about her trip to the University of Cincinnati, Sue asks her whether she's really ready for this. Becky nods and says that she's outgrown the high school bitches at McKinley. Sue then offers to help Becky with her college application. The next day, Becky helps Sue set of an art-related career booth when Will joins them and Becky tells Sue that everyone in Glee club is crazy, prompting Will and the New Directions to perform You May Be Right.
After Sue's meeting with the school board members, she confides to Becky that one of them, whom she is attracted to, mistook her for a man. Becky suggests that Sue's wardrobe might be the part of the problem and points out that she can "Try on a skirt every once in awhile". Sue tells Becky the story of how her track suit became her wardrobe staple: When she first started at McKinley high and dressed more feminine, other students did not take her very seriously. However, when she cut her hair short and put the track suit on, everyone was intimidated by her and as a result took her seriously. Becky reminds Sue that everyone is already afraid of her and that now might be a good time for a change. Inspired by Becky's advice, Sue allows Unique to give her a make-over and she attends the school board's inspection in a pencil skirt, blouse, and blazer and even asks the school board member she has an attraction to out on a date.
- Becky dressed up as Sue for Halloween in 2010.
- They wore the same outfit in the episode Lights Out just before Sue sings Little Girls.
- Both Becky and Sue indentify as a Gaga, as seen in A Katy or A Gaga.
- Becky and Sue have given each other relationship advice at one time or another. In Yes/No, Becky confides in Sue her crush on Artie and Sue tells Becky to ask him out. When Artie breaks things off, Sue reassures Becky that she will be ok and find someone else. In Puppet Master, Sue confides in Becky her attraction to one of the board members who had mistaken her for a man. Becky encourages Sue to get in touch with her "feminine" side and ask him out on a date.