WATCH THE SEASON PREMIERE ONLINE

New Tonight 9/8c. The most dangerous season yet has arrived as Nick, Hank and Trubel battle their biggest foes.

TONIGHT: MEET ZED MARTIN

New Tonight 10/9c. Catch up now on the premiere of the hit new series.

TOMORROW: CHRIS ROCK AND PRINCE

New Tomorrow 11:30/10:30c. Catch up on full episodes and favorite sketches online.

AN A TO Z HALLOWEEN

New Thursday 9:30/8:30c. Watch the Halloween episode and more online.

HALLOWEEN WEEK

This week, TODAY is all about Halloween - from hauntings to party ideas to DIY costumes, all leading up to a big costume reveal on Friday. What will they think of next?

Tonight on NBC