' Below Deck' Captain Lee Says Ashton Pienaar Is Still on His Ashton Under Deck is a popular reality TV show that takes place on a luxurious cruise ship. He is the charismatic commander, and the show showcases his daily adventures managing the crew and ensuring a smooth sailing trip for the affluent guests. Beneath the deck, he faces exciting circumstances and navigates tricky relationships among the staff. The show gives a unique glimpse into the behind-the-scenes of luxury yacht travels and the difficulties they pose. His charm and management abilities make him an compelling figure to watch on Ashton Beneath Deck.