Go back further and you hit some really great trash TV no one is talking about, like Babylon 5, and Renegade. Even just the opening credits to Renegade are classic:
He was a cop, and good at his job. But then he committed the ultimate sin and testified against other cops - gone bad. Cops who tried to kill him but got the woman he loved instead. Framed for murder, now he prowls the badlands. An outlaw hunting outlaws, a bounty hunter - a renegade!
A bit longer ago than 15 years, but Buffy the Vampire Slayer is 8 seasons, 6 of which are perfect.
Go back further and you hit some really great trash TV no one is talking about, like Babylon 5, and Renegade. Even just the opening credits to Renegade are classic:
Which are the bad ones?
All of them. Joss Whedon sucks as a human and a writer.