In the alternate ending to Seinfeld, Jerry, George, Elaine, and Kramer are all sitting together in the Monk's Cafe for one final time. They discuss their regrets and the lessons they've learned throughout the years. Suddenly, a woman walks in and sits down at the table, introducing herself as a new character who has been watching them for years and loves their antics. As they all banter with each other and this new character, they realize that the bonds they've formed are stronger than they thought. Each character acknowledges the others for their unique quirks and contributions to their friendship, from George's cowardliness to Kramer's infamous entrances. The group agrees never to let their friendship fade away again. As they embrace each other in a group hug, they make plans for their next adventure together. The screen fades to black, and then slowly fades back in to a shot of the empty Monk's Cafe, with the sound of the bell above the door ringing in the background. The screen fades to black once more, leaving the audience with the feeling that even though it's the end of the show, Jerry, George, Elaine, and Kramer's friendship will continue to endure.

In the alternate universe where the NBA and ABA never merged, both leagues continued to operate separately. The NBA continued to thrive as the premier basketball league in the United States, while the ABA struggled to gain a foothold in the crowded sports landscape. Despite the NBA's dominance, the ABA continued to produce a high level of talent and exciting basketball. Some of the biggest stars in basketball history, such as Julius Erving and Moses Malone, got their start in the ABA, and the ABA's freewheeling, high-scoring style of play won over many fans. As the years went by, the two leagues continued to coexist, but there was always a sense of competition between them. The NBA grew more conservative and corporate, while the ABA remained a more creative and experimental league. In the end, it was the ABA that survived, thanks to its willingness to take risks and push the boundaries of what was possible in basketball. Today, the ABA is the dominant professional basketball league in the United States, with teams in major cities across the country and a global fan base that rivals that of the NBA. The NBA, while still respected, is seen as a stodgier league with less excitement and creativity than its ABA counterpart. In this alternate universe, basketball is still beloved by millions, but it is the ABA that rules the court.

The 1980 NBA season was one of the most exciting seasons in league history, thanks in part to some unexpected moves by two of the league's biggest stars. Magic Johnson, considered by many to be the top prospect in the draft, was selected by the Seattle SuperSonics with the second overall pick. Meanwhile, Julius Erving, fresh off leading the Philadelphia 76ers to the NBA Finals, shocked the league by signing with the up-and-coming Portland Trail Blazers in free agency. Johnson's addition to the SuperSonics instantly made them one of the most exciting teams in the league. His dynamic playmaking abilities, combined with the scoring talent of Jack Sikma and Gus Williams, gave Seattle a formidable offensive attack that few teams could match. Johnson was also an immediate fan favorite, drawing huge crowds to Key Arena for every home game. Erving's arrival in Portland was equally exciting. The Blazers had been steadily building a young, talented team around star center Bill Walton, and Erving's addition gave them the veteran leadership they needed to take the next step. Erving's athleticism and scoring ability made him a perfect complement to Walton's all-around game, and the two quickly formed a formidable tandem in the frontcourt. Despite these exciting additions, however, it was the Los Angeles Lakers who dominated the season. Led by Kareem Abdul-Jabbar and newcomer James Worthy, the Lakers won a league-best 60 games and cruised through the playoffs to win their second championship in three years. Seattle and Portland both had strong seasons as well, with the SuperSonics finishing in second place in the Western Conference and the Blazers earning the third seed. Both teams won their first-round playoff series before falling in the second round. While Johnson and Erving didn't get to hoist the championship trophy that year, their additions to Seattle and Portland helped make the 1980 NBA season one of the most memorable in league history, and set the stage for even more exciting basketball in the years to come.

The 1981 NBA season was a historic one for the Seattle SuperSonics, who finally fulfilled their potential and captured their first championship in franchise history. Led by a core of All-Stars featuring Jack Sikma, Gus Williams and Dennis Johnson and anchored by the incredible playmaking abilities of second-year guard Magic Johnson, the SuperSonics dominated the Western Conference en route to a matchup with the Boston Celtics in the NBA Finals. In the Finals, the Sonics faced a tough Celtics team featuring future Hall of Famers Larry Bird, Kevin McHale and Robert Parish. Despite being the underdogs, the Sonics played their best basketball of the season when it mattered most, winning Game 1 on the road in Boston. After splitting the next two games, the Sonics won an epic Game 4 to take a 3-1 series lead and put themselves on the brink of history. The series then returned to Seattle for Game 5, where the Sonics took care of business in front of a raucous home crowd to clinch the championship. Sikma led the way with 24 points and 17 rebounds, while Johnson dished out 14 assists to go along with 12 points and 6 rebounds. Williams also chipped in with 19 points, and Johnson was named Finals MVP for his incredible all-around play throughout the series. The championship was the culmination of a remarkable journey for the Sonics, who had been contenders for several years but had always fallen just short of the ultimate goal. With Johnson now firmly established as one of the league's premier players and the rest of the team firing on all cylinders, the Sonics had finally accomplished their goal and cemented their place in NBA history.

The 1982 NBA season was a tumultuous one for the Seattle SuperSonics, who made the tough decision to trade away fan favorite Gus Williams in the hopes of improving their overall team chemistry. Williams had been one of the team's top scorers and playmakers in recent years, but had also clashed with some of his teammates and coaches behind the scenes. The trade sent Williams to the Washington Bullets in exchange for a package of players that included center Jeff Ruland and guards Tom Henderson and Kevin Grevey. The move was controversial at the time, and many fans and analysts questioned whether it was the right decision for the Sonics. Despite the trade, the Sonics got off to a strong start to the season, thanks in part to the continued excellence of Dennis Johnson and the emergence of forward Xavier McDaniel as a scoring threat. However, they struggled to maintain their early momentum and finished the season with a record of 48-34, which was only good enough for the sixth seed in a stacked Western Conference. In the playoffs, the Sonics faced the Los Angeles Lakers in the first round, who were led by a young superstar named Magic Johnson. The Lakers proved to be too much for the Sonics to handle, as they swept the series in three games and advanced to the second round. While the Sonics' decision to trade away Williams was ultimately seen as a mistake, it did lead to a long-term improvement in team chemistry and helped set the stage for the team's future success. Ruland in particular proved to be a valuable addition to the team in the coming years, and the Sonics would go on to win their second championship in 1979 with a more balanced and cohesive team.

The 1983 NBA season was a successful one for the Seattle SuperSonics, who made a key addition to their roster by signing forward Tom Chambers as a free agent. Chambers, who had previously played for the San Diego Clippers, was coming off a breakout season in which he averaged 17.2 points and 6.4 rebounds per game, and was seen as a major upgrade at the forward position for the Sonics. With Chambers in the fold, the Sonics had a formidable starting lineup that also included guards Dennis Johnson and Gus Williams, center Jack Sikma, and forward Lonnie Shelton. The team got off to a solid start to the season, winning 16 of their first 23 games and establishing themselves as one of the top teams in the Western Conference. Chambers quickly became a key contributor for the Sonics, averaging 21.4 points and 8.1 rebounds per game in his first season with the team. His scoring ability and versatility on offense gave the Sonics a new dimension, and he quickly established himself as one of the best forwards in the league. The Sonics finished the regular season with a record of 48-34, which was good enough for the fourth seed in the Western Conference. In the playoffs, they faced a tough Utah Jazz team in the first round, but were able to advance in four games thanks in part to Chambers' dominant performance. In the second round, they faced the top-seeded Los Angeles Lakers, but were swept in three games by the eventual NBA champions. Despite the disappointing end to the season, the Sonics had established themselves as a top team in the league, and the addition of Chambers had given them a new level of legitimacy and scoring power. Chambers would go on to become a beloved figure in Seattle, and would help lead the Sonics to even greater success in the years to come.

The 1984 NBA season was a transformative year for the league, highlighted by the arrival of one of the greatest players of all time. With the second overall pick in the draft, the Portland Trail Blazers selected Michael Jordan, who had just led the University of North Carolina to a national championship and was seen as a can't-miss prospect. Jordan quickly established himself as one of the league's top young players, averaging 28.2 points, 6.5 rebounds, and 5.9 assists per game in his rookie season. His incredible scoring ability and acrobatic dunks made him an instant fan favorite, and he quickly became the face of the Blazers franchise. Despite Jordan's heroics, however, the Blazers struggled to find success on the court and finished the season with a record of just 32-50, missing the playoffs entirely. The team's struggles led to a coaching change midway through the season, as Mike Schuler was fired and replaced by Jack Ramsay. While the Blazers' season may have been disappointing, the Philadelphia 76ers had a season to remember, winning the NBA championship thanks to a balanced and talented team led by stars Moses Malone and Julius Erving. Malone, who had won the league's MVP award the previous two seasons, was once again dominant, averaging 24.5 points and 15.3 rebounds per game. Meanwhile, Erving was still playing at a high level despite being in the twilight of his career, averaging 22.4 points, 6.9 rebounds, and 3.2 assists per game. In the playoffs, the 76ers were nearly unstoppable, sweeping the New York Knicks, Milwaukee Bucks, and Boston Celtics en route to the NBA Finals. In the Finals, they faced the Los Angeles Lakers in a rematch of the previous year's championship series. This time, however, the 76ers proved to be too much for the Lakers to handle, winning the series in five games and capturing their first championship since 1967. While Jordan's arrival in Portland was a major talking point throughout the season, it was ultimately the 76ers who emerged as the most dominant team in the league, thanks to their relentless defense, star power, and depth. It was a season to remember for the 76ers and their fans, who basked in the glory of the team's championship triumph for months to come.