S1E11 - "The Icarus Factor" (TNG S2 E14)
In one of the most thrilling episodes of television history, Riker goes toe-to-toe with his dad, Riker, in an "anbojitsu" match. We also find out why Worf is yelling at everybody, and the solution: a trip to the holodeck. Plus, it turns out Dr. Pulaski has mad game? Good for her.