Season 4 of The Joy of Painting with Bob Ross features the following wonderful painting instructions: Purple Splendor, Tranquil Valley, Majestic Mountains, .br Robert Norman Bob Ross (October 29, 1942 – July 4, 1995) was an American painter, art instructor, and television host. He was best known as the creator and .br br Bob Ross - The Joy of Painting - Season 20 is now available on iTunes! Subscribe to the official Bob Ross channel for more .