ABC ranked #1 on the final Friday of the season in Adults 18-49.
The season finale of ABC's Shark Tank posted a strong first-place finish in the 8 o'clock hour among Adults 18-49, beating the finale of NBC's Who Do You Think You Are? by 50%. In addition, Shark Tank was the top-rated TV show of the evening on the major nets in Adults 18-34, holding a 30% advantage over runner-up NBC's season finale of Grimm.
On average, Shark Tank surged over the prior season by double-digit percentages in Total Viewers (+18%) and Adults 18-49 (+29%), marking its strongest-ever season on both Nielsen measures.
Opposite the season ender of NBC's Grimm in the 9 o'clock hour, ABC's Primetime: What Would You Do? took second place against its rivals across all key Adult demos (AD18-34/AD18-49/AD25-54).
The ABC newsmagazine grew its overall audience from the same night last year by 8%.
From 10-11pm, ABC's 20/20 defeated NBC's Dateline by 9% in Adults 18-49, winning the newsmagazine race in the hour on all 4 Fridays of the 2012 May Sweep. Anchored by Elizabeth Vargas and featuring reports from Vargas, Deborah Roberts, John Berman and Jay Schadler, 20/20 took viewers into the lives of people with some of medicine's most rare conditions
