Lorne Greene, Pernell Roberts, Dan Blocker and Michael Landon as Ben, Adam, Hoss, and Joe Cartwright, riding horses and looking at the sky in Bonanza. Image via NBC When it comes to classic television ...

David Dortort created both Bonanza and The High Chaparral, but was able to tackle much deeper themes in the 1967 NBC series.

Anyone who wants to feel the same tension and passion as the beloved Tombstone must see NBC's classic, timeless series.

There aren't many shows that can get away successfully with a name change during its initial airing, but the classic Western series Bonanza was certainly one of them. Following the adventures of Ben ...