If they do nothing, a countdown clock indicates when the episode will start automatically.

WSJ: Binge Viewing: TV's Lost Weekends

Financial cable TV shows have taken to putting a countdown clock on the screen.

FORBES: Serious Investors Will Ignore the Fiscal Cliff

The band's return was first hinted at last week, when a 10-day countdown clock appeared on their official website.

BBC: Girls Aloud reveal reunion plans

The Sun has many things to be ashamed of, but running a Charlotte Church Countdown Clock is not one of them.

FORBES: News International and the Charlotte Church Countdown Clock

Now, the second thing I want to make clear about is that, with respect to the payroll tax -- you guys have all seen our countdown clock behind us.

WHITEHOUSE: President Obama Speaks on Confirming Richard Cordray

And now we have a period where, because of the choice to let the sequester take effect, we are not now in a countdown clock situation -- the cable nets don't have the clock.

WHITEHOUSE: Press Briefing

The magazine is getting set to launch and create its third issue on July 29, with the planned theme kept tightly under wraps, as per previous iterations, until the contribution countdown clock starts ticking.

FORBES: How To Make A Magazine In Two Days