The Icarus Factor

"The Icarus Factor" is the fourteenth episode of the second season of the American science fiction television series Star Trek: The Next Generation. It is the 40th episode overall, first broadcast on April 24, 1989.

Set in the 24th century, the series follows the adventures of the Starfleet crew of the Federation starship Enterprise-D. In this episode, the Enterprise's first officer William Riker must decide whether to accept command of his own starship, and negative feelings surface when his estranged father arrives to brief him on the mission. Meanwhile, crew members Wesley Crusher, Geordi La Forge and Data attempt to determine why Lt. Worf, a Klingon, seems more agitated than usual, and discover that he is upset over not being able to participate in an important Klingon ritual.