The following TV series were especially popular during the early 2000s. They are sorted by popularity and give you a quick intro in what their plot was:

1. "Lost" (2004-2010): A popular TV series that follows the survivors of a plane crash on a mysterious island. The main plot revolves around the survivors' attempts to understand the strange events and phenomena on the island and escape.

2. "Desperate Housewives" (2004-2012): A popular TV series that follows the lives of a group of housewives in a fictional suburb. The main plot revolves around the secrets and scandals of the housewives and their neighbors.

3. "The Office" (2005-2013): A popular TV series that follows the employees of a fictional paper company. The main plot revolves around the office politics and daily lives of the employees.

4. "Gossip Girl" (2007-2012): A popular TV series that follows a group of wealthy and privileged teenagers in New York City. The main plot revolves around the characters' relationships, scandals, and social lives.

5. "House" (2004-2012): A popular TV series that follows a brilliant but unorthodox medical doctor. The main plot revolves around the doctor's cases and his personal struggles with addiction and mental health.

6. "Grey's Anatomy" (2005-present): A popular TV series that follows the lives of surgical residents at a hospital. The main plot revolves around the personal and professional lives of the residents, as well as the complex medical cases they face.

7. "Heroes" (2006-2010): A popular TV series that follows a group of ordinary people who discover they have superhuman abilities. The main plot revolves around the characters' struggles to understand and control their powers, as well as their conflicts with each other and other characters with powers.

8. "How I Met Your Mother" (2005-2014): A popular TV series that follows a group of friends in New York City. The main plot revolves around the characters' personal and professional lives, as well as their relationships and interactions with each other.

9. "CSI: Crime Scene Investigation" (2000-2015): A popular TV series that follows a team of forensic investigators in Las Vegas. The main plot revolves around the team's investigations of complex and often gruesome crimes, and their use of cutting-edge technology and techniques to solve them.

10. "The Big Bang Theory" (2007-2019): A popular TV series that follows a group of scientists and their friends. The main plot revolves around the characters' personal and professional lives, as well as their interactions with each other and the people around them.

11. "The Sopranos" (1999-2007): A popular TV series that follows a mafia boss and his family. The main plot revolves around the characters' personal and professional lives, as well as their conflicts with other mafia families and the law.

12. "Two and a Half Men" (2003-2015): A popular TV series that follows the lives of two brothers and their nephew. The main plot revolves around the characters' personal and professional lives, as well as their interactions with each other and the people around them.

13. "Battlestar Galactica" (2004-2009): A popular TV series that follows the survivors of a human civilization after a devastating attack by robots. The main plot revolves around the characters' struggles to survive and rebuild their civilization, as well as their conflicts with the robots and other threats.

14. "Friends" (1994-2004): A popular TV series that follows a group of friends in New York City. The main plot revolves around the characters' personal and professional lives, as well as their relationships and interactions with each other.

Pick what you like and enjoy the show!