Exploring the sketches, contributions and influence of Jim Downey, one of the most impactful comedy writers in the history of “Saturday Night Live.”

Untold stories behind the culture-defining and newsmaking musical performances, sketches and cameos of the past 50 years.

Paying tribute to a beloved national icon for her birthday, NBC celebrates Carol Burnett’s illustrious career with a star-studded event featuring an A-list lineup of musical performances and special guests…