In the sixth-season finale, Castle and Beckett prepare for their wedding. However, an unwelcome surprise may ruin things, so they embark on a zany adventure, encountering masked men and mad bikers along the way.moreless
When Ryan starts dating Simone, Janie's ghost throws him off his game. The rest of the group uses Owen as a body double, after deciding to buy Lauren a wedding dress.
Captain Janeway relates the story of her distant ancestor, Shannon O'Donnell (Kate Mulgrew in a dual role), and her involvement in the construction of Earth's "Millennium Gate". She meets and falls in love with Henry Janeway - the one man standing in the way of the Gate's construction.