In the series finale, more changes in Doug's life are underway as Judy prepares to leave for college and Doug's voice begins to crack. Seventh grade is over for Doug and his friends, to start off the summer Chad Mayonnaise and Miss. Kristal are getting married. Principal White is performing the ceremony and Doug is asked to carry the wedding ring, but while paying for frothy goats he accidentally loses it. Convinced he gave the ring to Mr. Swirly, Doug and Skeeter ride all over town to try and find him and the ring before the wedding starts. Meanwhile at the church, Mr. Bone and Mr. Fort argue over who should get to play at the wedding, Judy complains the stage she is performing on is too small, and one of Mr. Dink's very expensive machines goes crazy. If that weren't enough, Roger's wedding present lands on top of the reception tent causing the tent to collapse, and Principal White faints as soon as the wedding starts. After the happy couple is married, Judy drives away towards Vole, (thetvdb.com)