Directed by our very own Sophia Bush, she shares behind-the-scenes details of what went into the the iconic Halloween zombie sequence — from costumes to the logistics of filming while directing — with Rob recalling the challenge of speaking through extensive prosthetics. The special effected essentially left him without a mouth, and took hours to apply, so it was quite the challenge!

Plus, Sharon Lawrence makes her debut as Julian’s mother, and the cast reflects on their most emotionally challenging scenes to film.