A/N I'm calling the Tallest Purple and Red if I need to write them doing or saying something and its not obvious who's speaking or doing something since they never really got names in the show. Also the chapters will generally be really short, but I'll try to write a new chapter at the very least every week if not every day. Just in case it's not obvious the story is third person limited and the POV will probably change every chapter, but not in the middle of a chapter. And lastly, this is a crossover including Invader Zim, Portal 1 and 2, and Doctor Who.
GLaDOS observed the testing chamber, feeling very bored and exasperated. P-body and Atlas, two humanoid robots affectionately called Blue and Orange because of the color of their optics, weren't making much progress on any of the tests. The previous test took them a full 24 hours to complete, as well as 4 deaths on Blue's end. Oh, there he went again. Acid, this time, was the cause of death. GLaDOS sighed internally. "Well done, Blue. This is the 42nd time you've died during this testing track." She simulated slow clapping as the computer reconstructed Blue. "And only the 5th time acid has killed you. That's a new record." She congratulated sarcastically. Blue chattered angrily at her, and she ignored him pointedly. Then something caught her eye. There was a large seam in one of the panels on the wall of the test chamber. She replaced the panel, thinking little of it until she noticed the exact same crack on the replacement panel. Curious, she brought the supposedly damaged panel to her main chamber. Upon inspection, however, the panel was uninteresting and average in every possible way. Perfectly normal, it seemed. She did the same with the new panel and came up with the same results. There was nothing unusual about the second panel either. Orange and Blue had been squabbling over where to shoot their portals while GLaDOS replaced the panel, but Orange noticed the crack in the lack of wall, just floating there. Blue edged closer to it after being notified by Orange. "I wouldn't touch that if I were you." Blue hesitated, but curiosity got the better of him and he reached out to touch it. Orange lunged forward to stop him, but it was too late. As soon as he reached it, he vanished and Orange was left reaching for empty space. "Orange..." GLaDOS knew what was coming. Orange started panicking, frantically searching for her lost partner. "Orange, calm down. We'll find out what happened to hi- ERROR. ERROR. REBOOTING." Caroline had taken over for a moment. She generally did when someone was in need of emotional support. There was a whirring sound as GLaDOS powered back on. "Sorry about that. There were some... technical issues that need sorting out." Orange had taken no notice as she was still too busy searching and talking to herself, muttering about how Blue was always getting himself into trouble. A human wouldn't have understood anything Orange said, though, they would've just heard a bunch of high pitched clicks and beeps. She left Orange to do her thing, trusting she was smart enough not to follow in Blue's footsteps. She had some tests to run.
