"How I Met Your Mother" is a popular American sitcom that ran for nine seasons from 2005 to 2014. The show revolves around the main character, Ted Mosby, who tells his children the story of how he met their mother. Throughout the series, many interesting facts and trivia have emerged that fans may not have been aware of.

The first interesting fact is that the show was based on the real-life experiences of the show's creators, Carter Bays and Craig Thomas. The character of Ted is based on Carter Bays himself, while Marshall, another main character, is based on Craig Thomas.

Another fascinating fact is that the show was notorious for its use of catchphrases.

For example, the character Barney Stinson, played by Neil Patrick Harris, popularized the phrase "suit up," which became a catchphrase among fans. The show also featured recurring gags, such as the character Robin Sparkles, who was a fictional Canadian pop star.

Additionally, the show had a significant impact on popular culture. For instance, the famous "Bro Code" and "Suit Up" guides were created as a spin-off from the show. The characters' love for a bar called MacLaren's also led to the creation of several real-life bars with the same name.

Finally, "How I Met Your Mother" had a memorable ending that divided its fan base. While some fans loved the ending, others felt disappointed and unsatisfied with how the story concluded. Regardless, the show remains a beloved sitcom that continues to be watched and enjoyed by fans all over the world.