In some circumstances, it is possible to use a copyright-protected work without infringing the owner’s copyright. For more about this, you may want to learn about fair use.
Given credit to the copyright owner
Refrained from monetizing the infringing video
Noticed similar videos that appear on YouTube
Purchased the content on iTunes, a CD, or DVD
Recorded the content yourself from TV, a movie theater, or the radio
Stated that “no copyright infringement is intended"
Some content creators choose to make their work available for reuse with certain requirements. For more about this, you may wish to learn about the Creative Commons license.
Learn more about how to get permission to use someone else's content in your video.