The new six-part Danish import “The Investigation” (HBO, 10 p.m.), from “Mindhunter” director Tobias Lindholm, closely follows the case of a 2017 murder of Swedish journalist, killed after boarding a homemade submarine. Søren Malling of “Borgen” plays the he’d of homicide, working for a prosecutor played by Pilou Asbæk, familiar from his roles in “Game of Thrones” and “Borgen.” It also stars Pernilla August, Rolf Lassgård and Laura Christensen. 

Wildfires in Texas are big enough to cause crossover episodes for “9-1-1” (Fox, 8 p.m.) and “9-1-1: Lone Star” (Fox, 9 p.m.). 

An exchange is made between the two trains on “Snowpiercer” (TNT, 9 p.m.). 

“The Bachelor” (ABC, 8 p.m.) isn’t getting a clearer picture of what to do after new women were added to the mix. 

The first game of the season approaches on “All American” (CW, 8 p.m.).

“Antique Roadshow” (PBS, 8 p.m., check local listings) visits Tucson. 

An antique perfume bottle at a rummage sale is found to contain the poison on “The Salisbury Poisonings” (AMC, 10 p.m.). 

The fight for women’s equality in the 1970s is retold on “Independent Lens” (PBS, 10 p.m., check local listings).