"The Empire Strikes Back" is a science-fiction/fantasy film released in 1980, directed by Irvin Kershner and written by Lawrence Kasdan and George Lucas. The movie is the second installment in the original Star Wars trilogy and is widely regarded as one of the greatest sequels ever made. The movie follows the adventures of the rebels, led by Luke Skywalker, Princess Leia, and Han Solo, as they face the dark side of the force led by the menacing Darth Vader.

The movie has stood the test of time and has become a pop culture phenomenon due to several reasons. Firstly, the movie introduced many memorable characters and iconic moments that have become part of pop culture history. Yoda, the wise and powerful Jedi master who trains Luke Skywalker, is one such character that has transcended the Star Wars universe and has become a part of mainstream culture. Similarly, the revelation of Darth Vader being Luke's father is one of the most iconic plot twists in movie history.

Furthermore, "The Empire Strikes Back" is a cinematic masterpiece that excels in every aspect. The movie's special effects, sound design, and music are some of the best in film history. The movie's visual effects were groundbreaking for their time and have set the benchmark for all science-fiction movies that followed. The iconic score composed by John Williams has also become an integral part of pop culture.

Overall, "The Empire Strikes Back" is an essential movie that has influenced and inspired pop culture for over four decades. Its impact on science-fiction movies and pop culture as a whole cannot be overstated. It is a movie that should be watched by everyone who loves movies and wants to experience a timeless classic.