[MathMonkeyMan]

Sean Carroll's pandemic era youtube series "The Biggest Ideas in the Universe"[1] goes into scalar fields and some gauge theory, but I don't remember if he covers the Higgs mechanism. Might be in one of the Q&A videos.

[1]: https://www.youtube.com/playlist?list=PLrxfgDEc2NxZJcWcrxH3j...