Linus: [about what he found out about Snoopy's past] You're not Snoopy's original owner.
[Charlie Brown faints]
Linus: Oh, good grief!
[Charlie Brown gets back up]
Linus: You bought Snoopy in the month of October, right? According to the records at the Daisy Hill Puppy Farm, Snoopy was bought by another family in August. This family had a little girl named Lila. Snoopy and Lila loved each other very much, but then they moved, and the family decided they just couldn't keep Snoopy so they returned him. [pause] You got a used dog, Charlie Brown.
[Charlie Brown looks shocked... and faints again]
[Charlie Brown faints]
Linus: Oh, good grief!
[Charlie Brown gets back up]
Linus: You bought Snoopy in the month of October, right? According to the records at the Daisy Hill Puppy Farm, Snoopy was bought by another family in August. This family had a little girl named Lila. Snoopy and Lila loved each other very much, but then they moved, and the family decided they just couldn't keep Snoopy so they returned him. [pause] You got a used dog, Charlie Brown.
[Charlie Brown looks shocked... and faints again]
Linus : [about what he found out about Snoopy's past] You're not Snoopy's original owner.
[Charlie Brown faints]
Linus : Oh, good grief!
[Charlie Brown gets back up]
Linus : You bought Snoopy in the month of October, right? According to the records at the Daisy Hill Puppy Farm, Snoopy was bought by another family in August. This family had a little girl named Lila. Snoopy and Lila loved each other very much, but then they moved, and the family decided they just couldn't keep Snoopy so they returned him. [pause] You got a used dog, Charlie Brown.
[Charlie Brown looks shocked... and faints again]
http://www.moviequotedb.com/movies/snoopy-come-home/quote_54447.html