History notches a blockbuster night on Sunday, May 31 with two major premieres the third-season return of "Ice Toad Truckers" and the series launch of "Expedition Africa." The two premiered back to back on Sunday with "Ice Toad Truckers" at 9pm ET and "Expedition" at 10pm ET.

The much-anticipated return of "Ice Toad Truckers" was watched by 3 million total viewers, 1.9 million Adults 25-54 and 1.7 million Adults 18-49 (+19% and 13% respectively vs Season 2). In Season 3, veteran fan favorites as well as new truckers join the network's #1 series as it heads to Alaska, north of the Arctic Circle where the elite truckers face their most perilous, death-defying journey yet. "Ice Toad Truckers" airs Sundays at 9pm ET/PT.



"Expedition Africa," which will run for eight weeks on History, launched with a strong 1.3 million total viewers, 723,000 Adults 25-54 which is a 19% increase versus network's prime average as well as 640,000 Adults 18-49, up 15%. The new series follows four intrepid explorers as they retrace journalist Henry Morton Stanley's 19th-century trek through Africa in search of Dr. David Livingstone. "Expedition Africa" airs Sundays at 10pm ET/PT.

* Nielsen's Fast Cable Ratings (non-DVR)