Audiences tuned in Tuesday night (March 27) to find "What About Joan." The new ABC comedy debuted as the No. 1 program of the night in Adults 18-49 (6.8 ratings/ 16 share), representing the network's most watched midseason premiere in three years and the strongest Adults 18-49 rating debut in two years.

Pulling 15 million viewers at 9:30 p.m., "Joan" was the first series to build upon a "Dharma & Greg" lead-in audience (14.0 million) in total viewers, according to Nielsen's fast national ratings. The new comedy dominated its timeslot in viewership, leading NBC's "Three Sisters" by over 4 million viewers.

"What About Joan" stars Joan Cusack and Kyle Chandler ("Early Edition") in a romantic comedy about relationships.