Plot hole: A few days after deploying, Ronnie returns home due to being discharged from the National Guard because of his anxiety disorder. In reality, being medically discharged could take months or longer, depending on how long it takes the Army to decide on follow-up medical care and possible post-discharge disability compensation. If the Army suspects that he concealed an anxiety diagnosis before he enlisted, that could result in an additional investigation for possible fraudulent enlistment charges.
Plot hole: Walter and Anna each agree to pay half of the $200,000 for the house. However, Walter borrows the full amount of $200,000 from Benny. He also didn't know the house was a lemon.
Plot hole: The show is about a NYC high school for the performing arts. Yet many scenes including the piano composition rehearsals, feature way older adult students in their 20s, even 30s.