Yes, one popular time travel series is "Doctor Who." The show follows the adventures of the Doctor, a Time Lord from the planet Gallifrey who travels through time and space in a ship known as the TARDIS. The Doctor often encounters various alien species and historical figures while trying to save civilizations and right wrongs throughout the universe. The series has been on air since 1963 and has gained a large and dedicated fan base. **

Time travel movies and series are sought after because they offer a unique and intriguing concept that allows viewers to explore different time periods and possibilities. The idea of being able to change the past or see the future is captivating and sparks curiosity. Additionally, time travel stories often involve complex plots and interesting character development, making them engaging and entertaining for audiences. Overall, the appeal of time travel movies and series lies in their ability to transport viewers to different worlds and challenge their perceptions of time and reality. **

Some anime series that deal with time travel include "Steins;Gate," which follows a group of friends who discover a way to send messages to the past and change the future. "Erased" follows a man who has the ability to go back in time to prevent tragedies from happening. "Re:Zero - Starting Life in Another World" features a protagonist who finds himself in a time loop, repeating events until he can find a way to break free. **

Time travel movies and series are popular because they offer a unique and intriguing concept that allows viewers to explore different time periods and possibilities. The idea of changing the course of history or experiencing life in a different era is captivating for many people. Additionally, time travel stories often involve complex plots and interesting moral dilemmas, making them engaging and thought-provoking for audiences. Overall, the appeal of time travel movies and series lies in their ability to transport viewers to new and exciting worlds while also challenging their perceptions of time and reality. **

Some anime series that deal with space-time travel include "Steins;Gate," which follows a group of friends who discover a way to send messages to the past and alter the present; "Noein: To Your Other Self," which involves parallel universes and time travel; and "The Girl Who Leapt Through Time," which follows a high school girl who gains the ability to time travel. These series explore the consequences and complexities of manipulating space-time, and often involve themes of friendship, love, and sacrifice. **

The "Magic Tree House" series by Mary Pope Osborne is a great time travel series for children. The series follows siblings Jack and Annie as they travel through time and space in their magic tree house. The books are suitable for children as they are written in a way that is engaging and educational, and they often explore historical events and figures in a kid-friendly manner. The series is a great way to introduce children to the concept of time travel and history in a fun and accessible way. **

It's possible that someone may know the time travel movie or series you are referring to, but without more specific information it's difficult to say for sure. Time travel is a popular theme in movies and television, so there are many different titles that could fit your description. If you can provide more details about the plot, characters, or any other specific elements of the movie or series, it may help others to identify it. **

"Travelers" is a specific time travel series available on Netflix. The show follows a group of time travelers who come from a dystopian future and inhabit the bodies of people in the 21st century in order to prevent the downfall of humanity. The series explores the moral and ethical dilemmas of changing the past to alter the future, and has gained a dedicated fanbase for its complex storytelling and character development. **