Trailing the twins with Grindor, he discovered to his disgust that the twins had talked to Ransack instead of fighting. When the twins were sent to bring in Ransack, he protested that they were halfwits, and was relieved to find out they were just bait and he'd get to kill 'em afterwards.
Unfortunately for Sideways, the other part of Soundwave's plan was to get Skids and Mudflap into the Decepticons, and there was no escape from the twins talking all the time and dissing him as an 'average, creativity-stifled grunt'.
