Tonight Dave Letterman goes back on the air after one hell of a weekend. And I’m already confused.

Thursday night — as I’m sure you know by now — he went on the air and told an extraordinary story, first about being blackmailed and then about what he’d been blackmailed for. “Creepy” things, that vague descriptor, was put into a little sharper focus like so: “I have had sex with women who work for me on this show.”

David Letterman returned to tape his show today — his first after his on-air mea culpa on Thursday night wherein he revealed that he had been the victim of a $2 million extortion attempt over multiple affairs he’d had with female staff members. Despite his initial statement that he did not plan to speak again on the topic, he used the opportunity to apologize, to his staff — and to his wife. Full text of the apology inside.

David Letterman’s disclosure last night that he was being extorted for $2 million over the fact he’d had sex with women who’d worked for him made for was some serious must-see TV. Also, hello ratings! But it’s certainly not the first time Letterman has grabbed the morning after spotlight due to shocking behavior. Here’s a look at our Top Ten Most Shocking Late Night Moments.