TLC is a popular American cable network specializing in unscripted lifestyle, relationship, and human-interest programming.  It was launched in 1980 as a joint venture between the Appalachian Regional Commission and NASA, then known as The Learning Channel. In the early days, the channel was primarily educational, but over the years, it shifted toward more entertainment-focused content. 

Today, TLC exclusively offers lifestyle content, with a programming schedule that focuses on everyday lives, unconventional relationships, and unique family stories, featuring shows that often explore love, health, culture, and modern family dynamics. The network has also built a reputation for focusing on emotional storytelling, authenticity, and personal journeys that resonate with viewers. 

TLC is arguably best known for the hit reality show90 Day Fiancé, which has expanded into a massive franchise featuring numerous spin-offs, including The Other Way, The Single Life, Before the 90 Days, and 90 Day Diaries. Other shows include Sister Wives, 1000-lb Sisters, and Suddenly Amish. 

The network also features familiar on-screen personalities who guide viewers through deeply personal stories. Notable figures include Sukanya Krishnan (Sister Wives), Shaun Robinson (90 Day Fiancé franchise), and Dr. Emma Craythorne (Save My Skin), as well as longtime cast members from flagship series who help to anchor the network’s identity. 

With a strong focus on relationships and real-life experiences, TLC has carved out a distinctive place in cable television. Its mix of heartfelt moments, dramatic twists, and relatable themes keeps viewers engaged. That approach has made TLC one of the most recognizable reality-focused networks on television.