Robin Williams, Pam Dawber, Dinah Manoff, and Carl Gottlieb in Mork & Mindy (1978)

Robin Williams, Pam Dawber, and Jay Thomas in Mork & Mindy (1978)

Pam Dawber and Tom Poston in Mork & Mindy (1978)

Robin Williams, Pam Dawber, Robert Donner, Georgia Engel, and Jim Staahl in Mork & Mindy (1978)

Robin Williams and Pam Dawber in Mork & Mindy (1978)

David Letterman and Tom Poston in Mork & Mindy (1978)

Robin Williams and Robert Donner in Mork & Mindy (1978)

Robin Williams and Paul Reubens in Mork & Mindy (1978)

Robin Williams, Pam Dawber, Jonathan Winters, and Conrad Janis in Mork & Mindy (1978)

Robin Williams and Lyle Waggoner in Mork & Mindy (1978)

Robin Williams, Pam Dawber, Conrad Janis, and Elizabeth Kerr in Mork & Mindy (1978)

Robin Williams and Ross Martin in Mork & Mindy (1978)

Pam Dawber and Robert Donner in Mork & Mindy (1978)

Robin Williams and Gina Hecht in Mork & Mindy (1978)

Robin Williams, Gina Hecht, and Jay Thomas in Mork & Mindy (1978)

Robin Williams, Pam Dawber, and Tom Sullivan in Mork & Mindy (1978)