Viewers get their guilty pleasure fix thanks to TLC!

If you didn't know, the network was first launched as 1980 as The Learning Channel and initially focused on educational and instructional programming.

Then in the '90s, the network pivoted towards reality television programming, predominantly focusing on personal stories and lifestyles, and started going by the TLC" acronym.

Over the network's 45 years on air, TLC has introduced fans to popular shows like Jon & Kate Plus, 90 Day Fiancé, Here Comes Honey Boo Boo, Cake Boss, and many many more.

We're now taking a look at the longest-running shows on TLC. There's one show that has been on air for 25 seasons!