Kaylee: Going on a year now and ain't nothing twixt my nethers that ain't been run on batteries.
Mal: Oh, God, I can't know that!
Jayne: I could stand to hear a little more.
When the cast are at the Miranda colony and discover that everyone is dead, there is a rotating shot of River as she realises what happened. Prior to this there is a brief closeup shot of the rest of the cast as they turn to face her. Jayne turns to his right, but in the following rotating shot of River he has turned from his left.
The ID number (C57D) of the ship on Miranda is the same as the ID number of the ship in "Forbidden Planet".