Jonah begins his first day on the job at big-box store Cloud 9 and immediately starts a rocky relationship with floor supervisor Amy when he comes off as elitist and mistakenly marks appliances for only a quarter. He is also the romantic target of aggressive assistant manager Dina, whose bible is the employee code of conduct. Pregnant Cheyenne shares a memorable moment with her boyfriend, Bo.
Jeff, the district manager from corporate, tells the Cloud 9 employees he is going to be around for the day to see what can improve in the store. Amy tries to impress him with a perfect day, but a workplace accident threatens her plan. Meanwhile, Glenn tries to come off as a tough boss in front of Jeff, Jonah attempts to help an unyielding Dina win over the employees she betrayed in the strike and Mateo discovers something about Jeff in his pursuit to win him over.
Glenn grows concerned that he doesn't know enough about his employees after Cloud 9's spokesman is accused of a crime. Dina exploits Glenn's concerns by implementing storewide drug testing. Meanwhile, Amy and Jonah have a flirty day avoiding work; Cheyenne annoys Garrett by talking about her baby; and Mateo tries to understand his ambiguous relationship with Jeff.
Dina throws a wrench in everyone's Halloween plans when something goes missing from the store and declares that no employee can leave until someone confesses to stealing. Amy is determined to find out who is responsible because she doesn't want to miss trick-or-treating with her daughter and Mateo prepares for his secret date with Jeff. Meanwhile, Jonah and Cheyenne struggle to bond until they discover they have more in common than they thought. Garrett has a difficult time defending himself during the store-wide investigation.
When corporate sends out a voting guide that only benefits the company's interests, Amy and Jonah work together to put out a rival pamphlet until Jonah's personal life gets in the way. Dina and Glenn are stuck in an accidental cover up while Mateo goes to great lengths to hide his undocumented status.
Much to Amy's dismay, Glenn hires Amy's husband, Adam (guest star Ryan Gaul), for some extra help, exposing her in ways in which she is not prepared. Frustrated with the lazy, noncommittal temps, Jonah and Garrett start an employee draft to place bets on who will quit first while Glenn tries to find the perfect person to play Santa at the store for Christmas
At the beginning of every year, Cloud 9 employees hold a “lost and found bin cleanout” to get rid of all the unclaimed items. Amy unknowingly walks away with a huge wad of cash and Jonah is determined to help her find the best use for it. Meanwhile, Cheyenne proves she is never one to keep a secret and Dina pushes Garrett over the edge.
Jeff lets the employees know that Rex, a vice president from corporate, will be coming by the store to help with the rollout for Cloud 9’s store-wide rebranding, and it turns out Rex is someone from Jonah’s past. Amy and Garrett are delighted to hear Rex’s stories about Jonah. Meanwhile, Mateo is stunned to learn of rumors that Jeff is in a relationship with an employee. Dina must retaliate against a snitch and Cheyenne tries to take advantage of the discounted “Halo” products.
During the morning meeting, Glenn accidentally tells the employees the real reason Amy has been late to work lately. Meanwhile, Dina tries to cheer up Amy by kidnapping her for a “ladies’ lunch.” Jonah and Garrett invent a game to pass the time, tricking Glenn and Mateo in the process. Cheyenne helps Amy take a fearless step with a dramatic new look.
Your favorite Cloud 9 store tries to navigate the health care system (or lack thereof).
The cast of Superstore proves there is no such thing as a valid reason to not watch Superstore.
Superstore raises a glass of boxed wine to everyone out there working hard in clothing they would never otherwise wear.