<P> Daley first made three guest appearances as Sweets during the first eight episodes of Season 3 , first appearing in `` The Secret in the Soil '' . He was promoted to a series regular and appeared in the opening credits beginning with the episode `` The Santa in the Slush '' . He also guest - starred on the spin - off The Finder . The character is killed off in the first episode of the show 's tenth season , `` The Conspiracy in the Corpse '' , making him the first main character of Bones to die . </P>
<P> Daley first made three guest appearances as Sweets during the first eight episodes of Season 3 , first appearing in `` The Secret in the Soil '' . He was promoted to a series regular and appeared in the opening credits beginning with the episode `` The Santa in the Slush '' . He also guest - starred on the spin - off The Finder . The character is killed off in the first episode of the show 's tenth season , `` The Conspiracy in the Corpse '' , making him the first main character of Bones to die . </P>
when does dr sweets first appear on bones
when does dr sweets first appear on bones
`` The Secret in the Soil ''
`` The Secret in the Soil ''