Mark & Mary Marry

Mark & Marry is the thirteenth episode of season one.

Plot
Mark the Mailman gets married to a nice woman named Mary. They want William Missionima as their best man.

Summary
William opens the door to see Mark at the door. He begs William to help him with the wedding. William says yes. So they go down to a seemingly-complicated redstone-controlled heart statue to show at the wedding. When it backfires, they give up on it and go straight to the wedding, where the guests are settled. William then has Mark kiss the bride at the wedding, and Mark becomes officially married to Mary.

Trivia
This marks the first appearance of Mary.

There are multiple guest cameos at the wedding, including the thief from To Catch a Thief, Mrs. Luck, and even Armos.

Sometime between this episode and Swapper, Mark and Mary give birth to twins Mike and Martha Mailman.