Ep 5. Dimension Jump

In the fifth episode of the fourth season of Red Dwarf, titled "Dimension Jump," the gang finds themselves in a parallel universe where alternate versions of themselves exist. Rimmer comes face to face with his dashing and heroic alter-ego, Ace Rimmer, who is everything Rimmer wishes he could be: brave, smart, and respected. Meanwhile, Lister meets the woman of his dreams, an alternate version of Kochanski who is also a space adventurer.

As they explore this new universe, they discover that not everything is as it seems. Ace Rimmer is hiding a dark secret that could have catastrophic consequences for the crew, and Lister's alternate Kochanski has a dangerous agenda of her own. The crew must work together to unravel the mysteries of this dimension and find a way to get back to their own universe.

The episode is filled with humor, action, and suspense as the gang navigates this strange new world. There are plenty of laughs as Rimmer struggles to come to terms with his inferiority complex, and Lister tries to win the heart of his dream girl. But there are also moments of genuine tension as they uncover the darker side of this parallel universe.

Overall, "Dimension Jump" is a standout episode of Red Dwarf that showcases the show's unique blend of sci-fi and comedy. It's a must-watch for fans of the series and a great introduction for newcomers.