Tuesday, April 28, 2015 ratings — New episodes: Marvel’s Agents of SHIELD, 20/20, The Voice, Undateable, One Big Happy, Chicago Fire, Hell’s Kitchen, New Girl, Weird Loners, NCIS, NCIS: New Orleans, Person of Interest, The Flash, and iZombie. Specials: Dancing with the Stars. Reruns: (none).

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These are the fast affiliate ratings. The percentages represent the change since the previous original episode. (Percentages aren’t given for reruns or specials.) To see past ratings for a particular show, click the show’s link. The show pages are updated with the daily final ratings when they become available. Those pages include season averages to date.

What were you watching last night? Original network programming, reruns, cable, or something else? What was the best thing you saw?