The Halloween episode is crazy-dark, executive producer Justin Spitzer told EW.

Its a very morbid episode.

It really hits the blacker elements of Halloween.

Superstore - Season 2

Credit: Tyler Golden/NBC

And Glenn (Mark McKinney) is in another costume that speaks of childlike innocence.

And I am very, very excited about my costume this year on the show.

Turns out, that Selena costume was Ferreras idea.

Superstore - Season 2

Tyler Golden/NBC

Superstorereturns for its third season on Thursday, Sept. 28, at 8 p.m.