"Chasing the Past"

This Will Be Our Year: The Zombies on Revisiting Odessey and Oracle

This was posted on 3 November 2015, but I suspect the actual interview was conducted on 8 October, the same day of the Zombies concert that's available on NPR.

The Story of the Zombies

The video description gives only an approximate date:  November 2015

YouTube Creator Sessions

The video description for "Chasing the Past" gives the date as November 2015.