To write a reference entry for a YouTube video you need the following pieces of information:
Follow the template in the 7th Edition Publication Manual (Chapter 10, Section 10.12). See also Example 90 (on p. 344)
Young, A. (2016, May 1). Plagiarism 101: Lesson one [Video file]. https://www.youtube.com/watch?v=Ly_AeH14t5M
To write a reference entry for a podcast you need the following pieces of information:
Farley, K., & Lipton, R. (Hosts). (2016, October 1). Plagiarism (No. 10) [Audio podcast episode]. In Lemonade: When life gives you lemons make a podcast.