Lessons (Star Trek: The Next Generation) VHS cassette on August 4, 1998. The episode was later included on the "Star Trek: The Next Generation" season six DVD box set, released in the United States on December 3, 2002, and on Blu-ray on June 24, 2014. Lessons (Star Trek: The Next Generation) "Lessons" is the 19th episode of the of the American science fiction television series "" and was originally aired in the United States on April 5, 1993, in broadcast syndication. Set in the 24th century, the series follows the adventures of the crew of the Starfleet starship USS "Enterprise"-D. In "Lessons", Captain Picard's (Patrick Stewart)
Second Chances (Star Trek: The Next Generation) to risk it. But Cdr. Riker saves his double, and both return to the "Enterprise". The two Rikers reconcile their differences; Lt. Riker states that he has been given a new assignment on another ship, and plans to take on his middle name "Thomas" to distinguish himself from William. As a parting gift, Cdr. Riker gives his double his treasured trombone, noting that it belongs equally to him. Troi also tells Lt. Riker that she will be staying on the "Enterprise", but thanks him for the time they had. Second Chances (Star Trek: The Next Generation) "Second Chances" is the