Summer may be gone, but who cares? It’s TV time! Fall TV 2013 will prove among the more exciting seasons in recent years, including everything from the premiere of Marvel’s ‘Agents of S.H.I.E.L.D.’ to the return of our beloved ‘Walking Dead’ for season 4, but with so many options to choose from, which of the offerings are really must-see?

We break down the 20 can’t-miss premieres from the ABC to the NBC to the BBC, including those that will have us talking for months on end and a score of saucy secrets from each of fall TV’s best!