Do you know about the 500-year-old Scots pine tree that lives along the West Highland? “Nature” (PBS, 8 p.m., check local listings) traces its rich history and introduces some of the wildlife it has housed.
“Dirty Old Cars” (History, 10 p.m.) is a new auto detailing show that involves vehicles that had gotten very muddy.
A third season finale comes for the comedy “Home Economics” (ABC, 9:30 p.m.).
“Big Sky” (ABC, 10 p.m.) also ends its season, with some resolution to the Bleeding Heart Killer case.
Twenty-two singles move into a house in the Canary Islands to start the ninth season of “Are You the One?” (MTV, 9:30 p.m.).
“Abbott Elementary” (ABC, 9 p.m.) throws a candy fundraiser.
Game shows tonight include “The Price is Right at Night” (CBS, 8 p.m.), “Name That Tune” (Fox, 8 p.m.) and “Lingo” (CBS, 9 p.m.).
Among the reality competitions are “Special Forces: World’s Toughest” (Fox, 9 p.m.) and “Tough as Nails” (CBS, 11 p.m.).
Dan accuses Jackie of losing all their home videos on “The Conners” (ABC, 8 p.m.).
“Grownish” (Freeform, 10:30 p.m.) has Zoey and Aaron running into one another at the airport.