[5][6] The team returned to the Seattle Center Coliseum in 1985 as attendance at the Kingdome declined and the stadium's scheduling and layout caused issues for fans.
A lawsuit to halt the relocation and enforce the team's 15-year lease at KeyArena was filed by the Seattle city government but dropped as part of a settlement in July 2008.
[22] Lenny Wilkens, who led the team to both finals appearances, was replaced as head coach in 1985 after missing the playoffs by finishing with a 31–51 record, which his successor Bernie Bickerstaff equaled the following season.
[24] The 1990s brought more consistent success, including eight consecutive playoff appearances, with head coach George Karl and new players Shawn Kemp and Gary Payton, both acquired in the draft.
[25] The Sonics finished as the top seed in the 1993–94 season with a 63–19 record, but lost in a major upset to the eighth-seeded Denver Nuggets in the opening round of the playoffs.
[28][29] Westphal was replaced early in the 2000–01 season by assistant coach and former Sonics player Nate McMillan, who led the team through rebuilds and to their two final playoff appearances: in 2002–03 and 2004–05 as the Northwest Division champions with 52 wins.