The Volunteer When Chloe ""adopts"" a new grandmother, Riley tries to as well. The only problem is that she keeps killing off her potential grandparents. Details Casts Galleries Posters Season Lists Title The Volunteer Genres Comedy Family Release Date 2002-03-02 Episode Runtime 00 Hours 22 Minutes Season Number 1 Episode Number 21 Production Companies Dualstar Productions, Dualstar Entertainment Group Mary-Kate Olsen... Riley Carlson... Ashley Olsen... Chloe Carlson... Eric Lutes... Jake Carlson... Jesse Head... Larry Slotnick... Natashia Williams... Teddi... Taylor Negron... Manuelo del Valle... Original Size (1280x720) Original Size (680x1000) Original Size (667x1000) Original Size (1535x2167) Original Size (977x1465) Original Size (680x1000) Season 1 26 Episode(s) 2001-06-02