(In Ep 53 of Sonic X, Knuckles find out when Sonic just battled Dark Oak and he threw the Chaos Emeralds away in space!)
Knuckles: You finally had seven chaos emeralds together... and you threw them away?
Sonic: Exactly!
Knuckles: (angrily) ARE YOU CRAZY?! WHAT WE GONNA DO?!
Sonic: I guess we're have to find them again!

Hahahahahahaha!!!!
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Sonic and Knuckles

ARE YOU CRAZY!

Hahahahahahahaha
hahahahahahahahaha
hahahahahahahahaha
hahhahahahahaha!!!