Monday television

“The Bachelorette” 8 p.m. ABC— Rachel and the guys head to Hilton Head Island, S.C., where one bachelor struggles with a fear of heights on the Goodyear Blimp.

“America’s War on Drugs” 9 p.m. History — Cocaine makes its way to America from secret airports, enriching violent cartel bosses, and an infamous “black widow,” and the CIA’s shadow wars have unintended consequences.

“Kids Who Kill” 9 p.m. A&E — Child killers are spotlighted.

“Better Call Saul” 10 p.m. AMC (third season finale) — Kim takes time off, while Jimmy tries to make amends; Nacho gambles with his future; and Hamlin pushes Chuck to make a decision.