Annie's excitement didn't last long. She quickly went from happy to unhappy.
Because...
Those people who had suddenly grown tense and excited weren't going off to fight, wage war, or do anything else fun, as she'd thought. They were just going to make first contact with a civilization that had sent a message into space for the first time?
In other words, they were going to meet some boring civilization like the people of Earth around the twenty-first century, who were randomly sending signals, coordinates, and greetings out into the universe?
Anyway!
Once she realized it really wasn't going to be any fun, Annie got angry, stomped her feet, and left the bridge on the spot. She also made it clear that she refused the invitation and absolutely wouldn't take part in something so dreadfully boring that it was painful just to think about.
She didn't want to meet the people of some unfamiliar planet, didn't want to join in the excitement, and couldn't understand the inexplicable enthusiasm of Uncle Ed and the others.
However...
A day later, Annie was in her private Simulation Room One, playing a game where she led the Maya civilization to build steelworks, make guns and cannons, and crush the European colonizers' savage invasion of the Americas. After successfully dumping all the colonizers into the sea to feed the whales, she was just about to build sailing ships and launch a counterattack against mainland Europe and the British Isles when an urgent call forced her to end the game with regret and return to the somewhat empty bridge.
The Orville's bridge was in total chaos by then. Gordon the helmsman, along with Isaac the robot and the others, had invited her back to take charge. After discussing it, they had unanimously decided that in this