Season 10: Episode 223: The One with the Home Study
Phoebe and Mike, stunned by the expenses involved with a wedding, decide they'll get married in City Hall and give the money to charity. Once they donate it, Phoebe changes her mind and they ask for it back. But Phoebe is still unsure. The adoption agency sends a woman (Laura) to evaluate Chandler and Monica and their home. They want everything to go perfectly, so when it turns out that Laura had a bad dating experience with Joey, they pretend not to know him. Joey manages to turn the situation around and make Laura think she wronged him. Rachel freaks out when Ross wants to take Emma to the playground, due to her childhood hair-related playgound accident. Ross convinces her it will be okay, so they all go together. Ross gets kicked in the head by a kid on the swings.