**Chapter 3: The Interdimensional Theater**

As they entered the warehouse, the Bat Family found themselves in a large, dimly lit room. The air was thick with an otherworldly energy, and the walls seemed to vibrate with an eerie power. In the center of the room, a large screen dominated the space, its surface pulsing with a soft, blue light. "Welcome to the interdimensional theater," Void said, his voice dripping with drama. "Here, you will witness events from a reality beyond your own. A reality where Gotham City has evolved, and a new hero has emerged." The Bat Family's eyes widened as they took in the surroundings. They could feel the energy of the theater, a palpable force that seemed to be drawing them in. Batman's eyes narrowed, his mind racing with questions and concerns. Robin, ever curious, looked around the room, taking in every detail. Nightwing and Batgirl exchanged a skeptical glance, while Red Robin stood quietly, her eyes fixed on Void. "What is this series?" Batgirl asked, her voice barely above a whisper. "And why are we here?" Void's form seemed to shift, as if he was smiling. "The series is called Batman Beyond. It's a story about a future Gotham, and the hero who rises to protect it. And you, Bat Family, are here to watch, to react, and to reflect on the choices you make in your own reality." As Void finished speaking, the screen flickered to life, casting a warm glow over the room. The Bat Family took a step back, their eyes fixed on the screen as they prepared to embark on a journey through a reality beyond their own. "This is... impossible," Nightwing muttered, his eyes wide with wonder. "How are we watching a TV show from another dimension?" "It's not a TV show," Void corrected, his voice low and mysterious. "It's a reality, one that exists in a parallel universe. And you, Bat Family, are here to experience it." The screen began to display images of a futuristic Gotham City, a city that was both familiar and yet, utterly alien. The Bat Family watched in rapt attention as the city's skyscrapers and technology whizzed by on screen. "This is... our future?" Robin asked, his voice filled with awe. "Maybe," Void replied. "Or maybe it's a possible future, one that could have been if certain events had unfolded differently. The point is, you are here to watch, to learn, and to reflect on your own choices." As the images continued to flow across the screen, the Bat Family found themselves drawn into the world of Batman Beyond. They were about to embark on a journey that would challenge their perceptions, force them to confront their own legacy, and maybe, just maybe, change them forever. The lights dimmed, and the room grew quiet, the only sound the hum of the theater and the distant thrum of the city's energy. The Bat Family stood transfixed, their eyes glued to the screen as they waited for the show to begin. With a final flourish, Void vanished, leaving the Bat Family alone in the interdimensional theater. The screen flickered once more, and then, in a burst of light and sound, the Batman Beyond series began.