After each day’s specials, Rob Riggle will host “Shark After Dark,” the week’s nightly talk show. Riggle will also star in “Shark Trip: Eat. Pray. Chum” alongside his friends Adam DeVine (“Pitch Perfect”), Anthony Anderson (“black-ish”), Joel McHale (“Community”) and Damon Wayans Jr. (“New Girl”). Original programming wraps up Aug. 3, with reruns of the week’s best content featured on Aug. 4.