Every day, TVLine’s What to Watch column spotlights new and returning English-language shows (and select movies) premiering or airing fresh episodes across broadcast, cable and streaming — organized below by release time and alphabetically within each slot.
On TV this Tuesday: “Dancing With the Stars” heads back to the ballroom, “R.J. Decker” begins its sophomore run, and “Agatha Christie’s Tommy & Tuppence” premieres.
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