S2, E21: Monica is broke and decides to gamble on the stock market, and Chandler and Ross run into a couple of bullies in Central Park. Meanwhile, Rachel and Joey help Phoebe locate her father, but a vicious dog prevents Phoebe from finally meeting him. After accidentally injuring the dog with her car, Phoebe gets to know her father's second wife whom she never knew about and another long-lost family member.