"Gunther's Millions" is a reality television series that follows the extravagant lifestyle of Gunther VI, a German shepherd dog who is said to be the world's richest dog. The show explores the lavish life of Gunther and his caretakers, showcasing their opulent homes, luxury vacations, and unique experiences funded by a trust established by Gunther's owner, Karlotta Liebenstein. The series highlights the quirky and humorous aspects of living with immense wealth, as Gunther's caretakers navigate the challenges and joys of managing his fortune. Viewers get a glimpse into the world of high society, where pets can lead lives of luxury and indulgence.