If he traveled back 65 million years ago somehow by accident, stole a tyrannosaurus egg and shoved it in his bag to prove that he was at that time period.
When he came back to the 21st century, the egg had fossilized. After realizing this he chucked a tantrum and ran off screaming with a fit of rage.
When he came back to the 21st century, the egg had fossilized. After realizing this he chucked a tantrum and ran off screaming with a fit of rage.