One Big Happy - Season 1 Episode 5 A Tale of Two Hubbies
Overview: On a group trip to Las Vegas, Luke, Prudence and Lizzy visit the chapel where Nick and Prudence got married – only to discover that it was a sham and their marriage is not legal. Lizzy takes it upon herself to plan a spectacular new wedding with a special surprise. However, the group is in for an even bigger surprise about Prudence’s past life in England.