Ep 23. The Forgotten

In Batman: The Animated Series season 1 episode 23 titled "The Forgotten," Batman is captured and taken to a hidden underground city where inmates are forced to work as slaves in mines. The episode begins with a homeless man being captured and taken to the underground city, where he is forced to work alongside other prisoners. When Batman learns of his disappearance, he begins investigating, only to be caught and brought to the city himself.

Once inside, Batman is appalled by the conditions that the prisoners are forced to work in. He discovers that the inmates are being used to mine for a rare mineral that is being sold on the black market at a high price. The guards in charge of the city use brutal tactics to keep the prisoners in line, with punishments including starvation and torture.

Batman soon learns that escape is impossible, as the tunnels are booby-trapped and he is too far below ground to contact anyone for help. He also discovers that the guards have a disturbing fascination with a breed of bats that live deep within the tunnels.

As Batman attempts to find a way out, he comes across a group of prisoners who have been living in the city for years, and devises a plan to use their expertise to escape. However, they are caught and Batman must take on the guards in a final showdown to ensure their freedom.

Throughout the episode, Batman struggles with the idea of being trapped and helpless, as well as the realization that there are forces out there with the power to control and manipulate others. He also shows a deep concern for the well-being of the prisoners and their mistreatment, demonstrating his strong moral compass.

Overall, "The Forgotten" is a dark and intense episode that explores themes of power, oppression, and freedom. It showcases Batman's unwavering resolve to fight against injustice and his ability to inspire hope and strength in those around him.