“Canterbury’s Law” (9 p.m., Fox): On the season finale of

“Canterbury’s Law” (9 p.m., Fox): On the season finale of “Canterbury’s Law,” Elizabeth attempts to plea bargain in an effort to avoid defending a rapist — something she swore she’d never do. Meanwhile, Chester goes after a greedy slumlord when a resident is disfigured by a rat.

“Duel” (9 p.m., ABC): A loan officer and a musician face off over small facts that no one else cares about.