Captain McGinley wears a Commendation breast bar above his World Trade Center Breast Bar. When the WTC bar is worn, it is worn above all other medals, but below the American Flag bar. Also, McGinley is wearing fewer and different commendation bars than he did in Pilot (2013). It appears that he is wearing Holt's Commendation bars with a different nameplate.
Captain Holt wears his Commendation breast bar above his World Trade Center Breast Bar. When the WTC bar is worn, it is worn above all other medals, but below the American Flag bar.
In the beginning of the S1.E2, Peralta's name is misspelled on the briefing room white board as "Paralta"