I found a first airing date on Kentucky Educational Television.
https://www.ket.org/series/CLWO/Series Description: Recorded at Ireland's historic Mansion House in Dublin, Celtic Woman perform songs from their latest CD, Destiny.
Show all Celtic Woman: Destiny episodes.
Upcoming Schedule
Celtic Woman: Destiny
01:55:00 | #0 | First Airs: November 29, 2015
KET: Sunday, November 29 at 7:00 PM ET
KET: Tuesday, December 1 at 8:00 PM ET
KET2: Wednesday, December 2 at 4:00 AM ET
KET2: Friday, December 4 at 9:30 PM ET