Part 1. How to Block Videos or Channels with YouTube Kids
YouTube kids was made just for kids, it gives them a more contained environment to watch the videos. YouTube kids already filters inappropriate videos which are not suitable for your kids. And you can customize content you see in the YouTube Kids app by signing into the app and blocking videos or channels you don’t want your child to watch. Here are the detailed steps:
Step 1: Sign in to YouTube Kids.
To block some certain videos or channels, you need to sign in your account first. Tap the lock icon at the bottom of the screen, and then tap Sign In > Send Parental Consent Email. Check your Email for the activation code, and enter it in YouTube Kids.
Step 2: Block video or channel
After you sign in your account, tap More next to the video you want to block, and tap Block. You will be asked to Block this video or Block this channel, click on Block again and enter your custom passcode.
Step 3: Unblock video or channel.
Of course, you can unblock the video or channel if you change your mind. To do this, just make sure you've signed in, and go to Settings > Unblock videos > Yes. Note that any content you’ve blocked while signed in will be watchable when you sign out.