From Mental Floss, the premier online destination for curious minds, comes a deep dive into the greatest television shows from the last 20 years. Filled with little-known facts and lists of must-see shows, this fascinating collection includes:

The hardest role to cast on Game of Thrones • The DEA’s involvement in Breaking Bad • The lost Black-ish episode deemed too divisive for TV • The real-life inspiration for Mad Men’s Don Draper • The identity of “Ugly Naked Guy” on Friends • When George Lucas sued Battlestar Galactica • How Curb Your Enthusiasm saved a man from the death penalty • When Doctor Who’s TARDIS went to court • The story behind Law & Order’s iconic “dun-dun” sound effect

The Curious Viewer also contains many of Mental Floss’s famously fascinating lists, such as Actors Who Asked for Their Characters to Be Killed Off, The Most-Watched TV Series Finales Ever, TV Characters Who Were Inspired by Real People, Bizarre TV Crossovers, Amazing One-Season Shows, Important Moments in LGBTQ+ History on TV, and Unforgettable Television Cliff-Hangers.