The Ribos Operation (VHS) The Ribos Operation (VHS) Login to add to your collection or wishlist! Where to buy This site contains affiliate links for which I may be compensated. Search to buy on Amazon UK Search to buy on eBay UK Stories in this collectable: Classic Who S16 • Serial 1 · (4 episodes) The Ribos Operation Average. Rating: 64% Average rating: ★ 3.51 Watch Watched? 0.016580104827881