Star Trek: The Next Generation: 3x17
Sins of the Father
Stardate: 43685.2. Worf is reunited with his long-lost brother when their father is charged with treason for helping the Romulans. Together they make an appeal to the Klingon High Council to challenge the charges, and have them revoked.
3 - 1Evolution Sep. 25, 1989
3 - 2The Ensigns of Command Oct. 02, 1989
3 - 3The Survivors Oct. 09, 1989
3 - 4Who Watches the Watchers Oct. 16, 1989
3 - 5The Bonding Oct. 23, 1989
3 - 6Booby Trap Oct. 30, 1989
3 - 7The Enemy Nov. 06, 1989
3 - 8The Price Nov. 13, 1989
3 - 9The Vengeance Factor Nov. 20, 1989
3 - 10The Defector Jan. 01, 1990
3 - 11The Hunted Jan. 08, 1990
3 - 12The High Ground Jan. 29, 1990
3 - 13Déjà Q Feb. 05, 1990
3 - 14A Matter of Perspective Feb. 12, 1990
3 - 15Yesterday's Enterprise Feb. 19, 1990
3 - 16The Offspring Mar. 12, 1990
3 - 17Sins of the Father Mar. 19, 1990
3 - 18Allegiance Mar. 26, 1990
3 - 19Captain's Holiday Apr. 02, 1990
3 - 20Tin Man Apr. 23, 1990
3 - 21Hollow Pursuits Apr. 30, 1990
3 - 22The Most Toys May. 07, 1990
3 - 23Sarek May. 14, 1990
3 - 24Ménage à Troi May. 28, 1990
3 - 25Transfigurations Jun. 04, 1990
3 - 26The Best of Both Worlds (1) Jun. 18, 1990