Paramount Global is warning of a looming carriage impasse with YouTube TV, meaning channels like CBS, Nickelodeon, Comedy Central and others could go dark Thursday for millions of subscribers. "We have made a series of fair offers to continue our long-standing relationship with Google's YouTube TV,

Media giant Paramount Global's channels, including CBS and Nickelodeon, will be unavailable on YouTube TV starting Thursday after the two companies failed to reach a contract renewal, both parties said.

YouTube TV subscribers will keep access to CBS, Nickelodeon, and more than 20 other Paramount-owned channels — for now. Google and Paramount Global have reached a short-term extension to keep Paramount's channels available for YouTube TV users.