CBS All Access has been around for awhile now, and today ViacomCBS has announced a major change for the streaming service.

On Thursday, ViacomCBS announced a huge update to the library for CBS All Access, adding more than 3,500 new episodes of TV from a variety of sources for subscribers. The new episodes of TV are from networks like BET, Nickelodeon, Comedy Central, and MTV. The Smithsonian Channel is also part of the new content additions.

With this content update, CBS All Access now has more than 20,000 episodes of TV and films to watch.

  • BET: All seasons of “Real Husbands of Hollywood,” “Hit the Floor,” plus all prior seasons of “Single Ladies” and more
  • Comedy Central: All seasons of “Chappelle’s Show,” “Strangers with Candy,” six prior seasons of “Reno 911!” and more
  • MTV: All seasons of “Laguna Beach” and “Snooki & Jwoww,” prior seasons of TEEN MOM 2, seasons of JERSEY SHORE: FAMILY VACATION and MTV FLORIBAMA SHORE, as well as a selection from THE CHALLENGE, “Beavis and Butt-Head: The Mike Judge Collection” and more
  • Nickelodeon: All seasons of “Avatar: Last Airbender,” “Rugrats,” plus all prior seasons of SPONGEBOB SQUAREPANTS and more, in addition to seasons of “Danny Phantom,” “The Legend of Korra” and “Sam & Cat” that were previously available
  • Smithsonian Channel: More than 60 episodes of “Aerial America,” seasons of “Air Disasters,” documentaries such as “The Day We Walked on the Moon,” “The Green Book: Guide to Freedom,” “MLK: The Assassination Tapes,” “Pocahontas: Beyond the Myth” and more
  • TV Land and VH1: Programminglike “Hot in Cleveland,” as well as prior seasons of RUPAUL’S DRAG RACE and LOVE & HIP HOP and more
  • Paramount Pictures: More filmshave been added to the service since May, including “The Firm,” “Charlotte’s Web” and “Scary Movie,” with more than 150 movies in total now available

But that’s not all. CBS All Access is also getting a new user interface with this update. According to ViacomCBS, the new UI is meant to boost personalization and, ultimately, discovery. Subscribers will see customized home pages now, various new content categories, better recommendations, and more centralized hubs to find content.

Interestingly, this announcement also appears to be a sign of changing times, with CBS All Access continuing to welcome additional content beyond what’s available just from CBS:

Today marks the beginning of an exciting evolution of CBS All Access into the subscription streaming home for ViacomCBS and a preview of what’s to come,” said Marc DeBevoise, Chief Digital Officer, ViacomCBS and President & Chief Executive Officer, ViacomCBS Digital. “As the first Network to market with a branded direct-to-consumer service more than five years ago, we have the advantage and experience of building it from the ground up, establishing distribution points across all major platforms, creating a service with high user engagement and low churn, and crafting a robust slate of exclusive originals from which we continue to build. By bringing the valuable IP and creative capabilities from across ViacomCBS together in one product, we will deliver to consumers a compelling and differentiated service with something for everyone across news, live sports and on-demand entertainment in every genre.

Sounds like CBS All Access could see even bigger changes at some point in the future.

ViacomCBS says the update is rolling out today across all platforms where the streaming service is available. That includes tvOS and iOS.

Are you a subscriber to CBS All Access? If so, how do you like the service?