Gladiatosaurus

As an evolutionary biologist, Richter knew the experiment represented a perigee. It was the closest they would ever get to observing natural selection in action. And it was going to kick ass.

"So what you're telling me is you've genetically engineered seven species of dinosaurs, all from different epochs, plus a saber-toothed tiger, a giant crocodile, and something you simply call the Manshark? And you are going to let them battle it out arena style to see which species is fittest to survive?"

"Yes."

"When they make this story into a movie, I'm sure to be played by Jeff Goldblum."

A Stitch In Time

Revere eyed the man to his right with a growing sense of animosity.

"I don't know why I set foot in that infernal time machine of yours, Franklin," he complained.

"Would you rather be back in 1783, listening to Hancock's monotonous anecdotes?"

Franklin took the silence as a No. With a smile, he adjusted his bifocals and revved up his chainsaw.

"See you on the ground."

Franklin leapt from the jet. He glided onto the back of the saber-toothed tiger, and with the skill of a man not new to battling prehistoric animals, beheaded the monster with one swipe.

"Tax this!"