"Adventure is a Sad Thing" is a song sung from K'nuckles' perspective about losing Flapjack to another adventurer, played in the episode "Who's that Man in the Mirror?"
Lyrics[]
Adventure is a sad thing when you're all alone.
(Oh yeah...)
Danger isn't dangerous since you left home.
(No...)
I try to fight it.
I try to hide it
But everywhere I go I find that
Adventure is a sad thing without you... (without you...)
A sad thing without you!