Watch 'Cruise Inc.' Tonight on CNBC

Tonight, CNBC takes you aboard a city at sea where passengers are enticed to spend big money. But can this fast growing segment of the travel industry navigate the rough seas of a slumping economy and stay afloat?

NBC travel correspondent Peter Greenberg takes you cruising for profits, premiering tonight at 9p, 10p and 1a ET.

Read more about the documentary here or watch the video below for an exclusive first look provided to OTM.