Brett was severely ill during The Case-Book (he had heart problems and later bipolar disorder). His performance remains brilliant, but his physical frailty is visible.
Here is the complete episode list for starring Jeremy Brett as the detective. These are from the Granada Television series (1984–1994), widely considered the most faithful adaptation. sherlock holmes jeremy brett episode list
Available on BritBox, Amazon Prime (sometimes), YouTube (purchased), and DVD/Blu-ray box sets. Brett was severely ill during The Case-Book (he