The efforts of environmental activists in keeping one of Philippines’ most beautiful islands from becoming a tourist playground for the rich, are chronicled in the new documentary “Delikado,” making its premiere on “POV” (PBS, 10 p.m., check local listings). 

The computer-generated animated new series “My Little Pony: Make Your Mark” (Netflix, streaming) picks up where a CG special left off in May. 

It’s not yet October but there’s another holiday-related baking competition with “Halloween Cookie Challenge” (Food, 10 p.m.), coming right after an episode of “Halloween Baking Championship” (Food. 9 p.m.). 

The sports reality competition “Exatión Etados Unidos” (Telemundo, 7 p.m.) returns for its seventh season. 

“Mystery Road Origin” (Acorn TV, streaming) is a new streaming prequel starring Mark Coles Smith in the role usually played by Aaron Pedersen in the Australian noir series. 

A happiness convention takes a turn on “9-1-1” (Fox, 8 p.m.).

“The Voice” (NBC, 8 p.m.) continues auditions, and will continue to do so for some time.

The secrets to instant coffee are found “Inside the Factory” (Smithsonian, 8 p.m.).

A dad from McGee’s kid’s school is a suspect on “NCIS” (CBS, 9 p.m.). Street Racing is the issue on “NCIS: Hawaii” (CBS, 10 p.m.).