Watch Bonanza Season 4 Episode 31: Thunder Man Online

	IMDB Rating: 8.1/10 from votes
	Release: 1963 / Bonanza / Season 4 / Episode 31
	Genre: Western
	Director: Lewis Allen
	Stars: Lorne Greene, Pernell Roberts, Dan Blocker
	Synopsis: While Ann Wilson and her Uncle Fred are en route to her boyfriend Joe's birthday party, Fred suffers a sudden stroke and is rendered unconscious. A man claiming to be a Good Samaritan stops to help, only to rape and kill Ann. Joe is devastated and vows to track down the killer. While Fred is eventually moved to the Ponderosa to recover (and for his protection against anyone who might want to silence him), Joe undermines Deputy Clem Foster's investigation. Meanwhile, the killer - a munitions expert named William Poole - gets a job on the Ponderosa, since his expertise with a new substance called nitroglycerin can help clear old tree stumps off the ranch. Poole, who is staying with a widowed neighbor named Mrs. Gibson, tries to get at Uncle Fred, but Joe, who has been keeping a bedside vigil, stops him at every turn. Eventually, Joe sees Uncle Fred's hand move and begins questioning him. Fred is only able to scrawl a barely legible message before he goes numb, and suffers a subsequent (...