When Mac is put into a dream state to help him recall key evidence found in Nikola Tesla’s secret lab that could stop Codex’s deadly plot, he encounters Nikola Tesla,…

Frustrated with the mess that earth’s become, God contemplates the end while two determined angels try to change his mind.

After Will sees something terrible on trick-or-treat night, Mike wonders whether Eleven’s still out there. Nancy wrestles with the truth about Barb.