This Western series ran for 20 seasons on CBS.
 
        
                                            
                    
                        
                        
                             Retry                        
                    
                    
                                                    
                                 Correct                            
                            
                                 Incorrect                            
                                                                    
                    Gunsmoke was able to make some big TV history. It was the longest-running live-action television series all the way up to 2019 when Law & Order: Special Victims Unit took its place.
			    
                    
        
        Bettmann/Getty Images
                Bettmann/Getty Images
            This Western series ran for 20 seasons on CBS.
- Range Rider
- Gunsmoke
- The Gene Autry Show
- The Adventures of Kit Carson
Scroll down to continue on!
 
                     
                                                