6x10 - Fat Albert and the Cosby Kids

After her father passed away, Buffy's mother recently started dating again and Mr. Haney is becoming more involved in their lives, much to Buffy's reluctance. She becomes further resistant when they announce they'll be getting married. Buffy runs away from home and hides out at the amusement park, even though it's closed. She winds up in danger as the gang track her down. Fortunately, Mr. Haney is able to save her in time and Buffy is willing to accept him as part of the family.