The hottest trend of the fall isn't period dramas, remakes, or fairy tales. It's hats.

Indeed, co-starring in NBC's 'Prime Suspect' alongside Maria Bello's Detective Jane Timoney is her character's black chapeau. It's ever-present in the first episode, and judging from stills for future episodes, it isn't going anywhere.

The trend isn't isolated to NBC. ABC's 'Pan Am' features stylish stewardesses in the airline's iconic 1960s vintage pillbox hats. The ladies of 'Charlie's Angels' use baseball caps to go undercover. Then there's 'Hell on Wheels' and its assortment of cowboy hats, 'The Walking Dead' and its zombie survival head toppers, 'The Playboy Club' and its bunny ears -- come on, those totally count -- and Dylan McDermott's 'American Horror Story' cap that looks shockingly similar to the one in 'Prime Suspect.'

In honor of the 'Prime Suspect' premiere (Thu., Sept. 22, 10PM ET on NBC) let's take a look at the hats of fall TV. Check them out below!



Watch a clip from last night's 'Prime Suspect' premiere.