Wednesday's Best Bets on TV

“Jean-Michel Cousteau: Ocean Adventures”(9 p.m., PBS): On “Jean-Michel Cousteau: Ocean Adventures,” our intrepid marine guy traverses the seas in search of killer whales. But you can watch from your couch without getting wet.

“Garbage Moguls” (8 p.m., National Geographic): The documentary reveals a company’s efforts to sell products from trash.