Is you-know-who really back?

Is this season's big baddie really so-and-so?

How does what's-his-name look with a shaved head?

When did we last see Jack Bauer in a suit and tie? (OK, that joke is kind of lame; he donned one to visit the consulate last season. But you catch my drift.)

The 24: Season 7 trailer is now online and playing (among other places) here at TVGuide.com. Check. It. Out.

Related: Mary Lynn Rajskub reveals what Chloe is up to during this new day.