Search form

Comet Encounter

There are no upcoming broadcasts of this program in the next two weeks. Check back soon!

Full Episodes

Comet of the Century

WETA PassportComet of the Century

Follow a once-in-a-lifetime event — Comet ISON’s brush with the sun.


Comet Encounter - Preview

Comet Encounter - Preview

Airs December 25, 2013 at 10:00 p.m. ET/PT. Check your local listings.