Hey Insiders!

We wanted to make sure you've heard about something we're doing later today. It's completely new, and we're doing it live.

But the complicated thing is... we can't tell you exactly what it is. Yet.

We've set up a bunch of cameras inside a local family's home -- they know the cameras are there, and they know they're going to be doing something on live TV.

But they don't know what it is. And we can't tell everyone else because, well, we don't want it to get back to them until it's go time.

Anyway, this is happening live during today's 5 p.m. newscast. The family will learn the assignment at the same time as you, and then we'll all get to watch and see what happens.

We'll have a live stream for those who want to watch the whole thing from start to finish.

When that time comes, the stream will be available on our "watch live" page. Click the red button below and look for the same picture as you see at the top of this email -- "A Moment's Notice."

You'll also get a push alert for the live stream if you have our free mobile app. Just tap that notification and you can watch on your phone.

We honestly have no idea what's going to happen. But we're about to find out, and we want our Insiders along for the ride!

If you want a quick look behind the scenes, check out this video from James at the house during setup.