December 19th...

 Celebrating broadcast anniversaries...

"The Andy Griffith Show" - "Christmas Story"

December 19, 1960 (63 years)

pictured above: back row (l-r) Andy Griffith and Elinor Donahue

center: Ron Howard

front row (l-r): Frances Bavier and Don Knotts

"The Beverly Hillbillies" - "Home for Christmas"

December 19, 1962 (61 years)

pictured above (l-r): Donna Douglas, Max Baer, Jr., Buddy Ebsen and Bea Benaderet

The performer playing Jethrine was not credited.

"Mary Tyler Moore" - "Christmas and the Hard Luck Kid II"

December 19, 1970 (53 years)

pictured above: Mary Tyler Moore as Mary Richards

"Dynasty" - "The Holiday Spirit"

December 19, 1984 (39 years)

pictured above: back row (l-r): John James, Diahann Carroll, Jack Coleman, Pamela Bellwood and Gordon Thomson

front row (l-r): Michael Nader, Dame Joan Collins, John Forsythe, Linda Evans and Catherine Oxenberg