You cannot accuse "Weird: The Al Yankovic Story" of taking itself too seriously.
You can accuse it of things — such as wearing out its welcome roughly somewhere in the middle, after a largely entertaining start — but not of lacking a sense of humor.
Available this week on the Roku Channel after its debut in September at the Toronto International Film Festival, "Weird" is, as at least according to its production notes, "the unexaggerated true story about the greatest musician and sex symbol of our time."