Using content from a private YouTube channel without the owner's permission is not recommended and may violate copyright and intellectual property rights. Private YouTube videos are meant to be restricted to specific individuals authorized by the video owner. Therefore, accessing or using content from a private channel without proper authorization can potentially lead to legal issues.

If you wish to use content from a private YouTube channel, it's crucial to contact the video owner and seek their permission. This can involve discussing licensing arrangements, terms of use, or obtaining their written consent to ensure you are in compliance with copyright laws and respecting the content creator's rights. Always prioritize respecting copyright and intellectual property laws when using content from YouTube or any other platform.