The trains run between Namba and Chiyoda Depot, and have also been used occasionally on special-event services to Wakayamashi and Misakikoen.

The design theme was "Outdated Future", and is the reason for the train's futuristic and retro styling.

The cars sport an all-over metallic deep navy blue livery, with the side windows having an elliptical shape, giving the train an aircraft-like appearance.

Cars 3 and 5 feature a service counter and vending machines.One trainset was repainted in an all-over red livery in a tie-up coinciding with the release of Episode 7 of the Mobile Suit Gundam Unicorn series and to mark the 20th anniversary of the opening of the Nankai Airport Line.

[4] From 21 November 2015, a 50000 series set was reliveried in a special Star Wars: The Force Awakens black livery to mark the nationwide release of the film Star Wars: The Force Awakens in December.