Each day, TVLine’s What to Watch column highlights new and returning English-language series (and select films) making their debut or airing fresh episodes across broadcast, cable, and streaming platforms. These are organized by release time, then alphabetically within each slot.
This Tuesday on television: Scott Speedman takes on the role of R.J. Decker, the original Doc Martin appears in “Best Medicine,” and the “NCIS” franchise makes its return from hiatus.
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