Muppet Show episodes without opening or closing numbers

Almost every episode of The Muppet Show had an opening and closing number, but there were rare instances where episodes lacked one or the other (though a music underscore might have appeared in the opening or closing acts).

Episodes Without Openign Numbers

 * Episode 107: Florence Henderson
 * Episode 315: Lesley Ann Warren
 * Episode 523: Linda Ronstadt

Episodes Without Closing Numbers

 * Episode 107: Florence Henderson
 * Episode 124: Mummenschanz
 * Episode 202: Zero Mostel