It seems sort of unfair, with the number of shows that have potential and are cancelled after only one season, that lackluster first seasons are even given a second chance to grow and develop. But we cant be too upset, because once these tv shows got past their freshman jitters, they become some of the most popular programs in recent memory. Sometimes there were casting issues, where actors needed to either join or leave the show for it to become a success. Other times it was the formatting that wasn't drawing in audiences the way it needed to. But most of the time it was simply a matter of small tweaks and changes, and the characters needing a handful of episodes to find what worked for them and to settle into their roles on the show. Here are ten shows that didnt exactly start on a high note, but dramatically improved in quality after their first year. Just to clarify: we're not saying that these shows were necessarily bad during their first season. In fact, compared to a lot of dreck that gets vomited onto cable television year after year, they're actually pretty decent. But considering how universally loved and praised they are now, a lot of people forget that these shows started off as ugly little ducklings and matured into beautiful swans.