Film and television dramas are generally copyrighted, so when using the content of film and television dramas, you must obtain the consent of the copyright owner of the film and television drama before you can use it. There are some TV dramas on Tik Tok platform, which have been authorized by the copyright owner, allowing users of Tik Tok platform to use on Tik Tok platform, so even if users use them, they will not infringe the rights of TV drama copyright owners.
However, the Tik Tok platform does not have the permission of the copyright owner or the film and television drama materials obtained by users in other channels. If the content of a work is edited, adapted or changed without the permission of the copyright owner, it constitutes infringement.
If you don't want to infringe, you need the authorization of the copyright owner to use it.
For reference only.