Wednesday, Jan. 6, 10-11 p.m. EST (PBS) "When Disaster Strikes." First episode of a three-part miniseries that explores the mechanics of disaster relief. This installment, titled "A Perfect Storm: Mozambique," focuses on the aftermath of 2019's Cyclone Idai. The series continues Wednesdays through Jan. 20, 10-11 p.m. EST each night (TV-PG — parental guidance suggested).