second season
... that several reviewers criticized the romance between Sam and Diane in the second season of Cheers because it lasted too long and presented a poor relationship role model?
... that several reviewers criticized the romance between <a href="./Sam_and_Diane" id="mwBFA" rel="mw:WikiLink" title="Sam and Diane">Sam and Diane</a> in the <b id="mwBFE"><a href="./Cheers_(season_2)" id="mwBFI" rel="mw:WikiLink" title="Cheers (season 2)">second season</a></b> of <i id="mwBFM"><a href="./Cheers" id="mwBFQ" rel="mw:WikiLink" title="Cheers">Cheers</a></i> because it lasted too long and presented a poor relationship role model?