Wednesday television

"Revolution" 8 p.m. NBC — Aaron and Rachel speculate on the extreme effects of Nano technology.

"Criminal Minds" 9 p.m. CBS — Hotch fights for his life after complications arise from the stabbing.

"Law & Order: SVU" 9 p.m. NBC— Accusations of sexual misconduct threaten to ruin a New York mayoral candidate's campaign.

"Modern Family" 9 p.m. ABC —Gloria hires a male nanny, much to the chagrin of Jay and Manny.

"American Horror Story" 10 p.m. FX — Fiona takes on an unlikely protege.

"Duck Dynasty" 10 p.m. A&E (fourth season finale) — The church can't host their annual trick-or-treat event so the Robertsons offer to hold the event at Duck Commander.