Extreme Cheapskates 10 p.m. TLC
Eating dumpster gnocchi, doing laundry in the shower, putting experimental ointments in experimental places for sweet, sweet medical study cash – the “Extreme Cheapskates” make the “Extreme Couponing” people look like the “Real Housewives.” Tonight, a lady who stores urine in jars for use in her garden . . . naturally.