A second season begins for “My Grandparents’ War” (PBS, 9 p.m.), in which young British stars learn what their grandparents did in World War II. Tonight features Kit Harington — the former Jon Snow on “Game of Thrones.” 

Part two of the deeply-reported feature on America’s war in Afghanistan continues on “Frontline” (PBS, 10 p.m., check local listings).

Daisy May Cooper is author and star of the new British comedy thriller “Am I Being Unreasonable?” (Hulu, streaming) about a woman with a secret who is stuck in a dull marriage but brightens when a kindred soul shows up.

The hour long game shows “The Wall” (NBC, 9 p.m.), hosted by Chris Hardwick, and “Weakest Link” (NBC, 10 p.m.), hosted by Jane Lynch, both return for new seasons. 

“Night Court” (NBC, 8 p.m.) is tempted by a tech entrepreneur. 

A rabbit-filled car is a nightmare for Katherine on “American Auto” (NBC, 8:30 p.m.). 

“9-1-1: Lone Star” (Fox, 8 p.m.) responds to a riled-up pregnant woman. 

A teacher going through a messy divorce is arrested on “Accused” (Fox, 9 p.m.). Christopher Gotham and Meaghan Rath star.