On the next episode of the Ex-tinct files:
Littlefoot: "Little does the Great Valley Council want you to know that the Stone of Cold Fire crashed into the valley 16 seasons ago."
Cera: "That was just a stupid rock, Littlefoot! We were there!"
Littlefoot: "That's what they want you to believe. Do you not find it odd that we haven't aged in over 16 seasons?"
Cera: "Um... we have! It's just... um..."
Littlefoot: "A glandular problem?"
Cera: "Yeah!"
Littlefoot: "Now tell me that you actually believe that. We are the only ones who haven't aged Cera. But yet we are still here and that creepy head-fuzzy thing still looks at us with that big eye."
Cera: "Fine... we will investigate the damn rock again!"