The new six-part mini-series “The Walking Dead: The Ones Who Live,” the latest installment in the sprawling “Walking Dead” universe, premieres Sunday on AMC and AMC+. It finds Andrew Lincoln and Danai Gurira reprising their longtime roles as Rick Grimes and Michonne, the weathered survivors of a postapocalyptic wasteland populated by flesh-devouring zombies. “The Ones Who Live” picks their story up where it left off in the original series, revealing what happened to the couple after they exited the show. But it also involves other characters, settings and organizations that have either appeared or been mentioned in “The Walking Dead” and its spinoffs, including the dystopian city the Civic Republic, its high-tech military the C.R.M., and the slippery villain Jadis, played by Pollyanna McIntosh. (For their part, Lincoln and Gurira have said that they didn’t keep up with the whole series either, so you’re in good company.)

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Persons: Andrew Lincoln, Danai Gurira, Rick Grimes, Michonne, Rick, ”, Jadis, Pollyanna McIntosh, There’s, Gurira Organizations: AMC, Civic Republic Locations: Lincoln