Jayne: Captain, can you stop her from bein' cheerful, please? Mal: I don't believe there is a power in the 'verse that can stop Kaylee from being cheerful. Sometimes you just wanna duct tape her mouth and dump her in the hold for a month.
'Serenity'
Goodbye and Good Riddance 2003: Kidnap the Sandy Claws, Beat Him with a Stick
Every year we watch the Charlie Brown special, do the Snoopy dance, wish everybody a Merry Christmukkah and thank our Secret Santas in the good riddance thread. Which is this one, in case you were wondering. Oh, and 2003? Don't think we've forgotten about you.