Disclaimer: Trust me, if I owned Octonauts, I wouldn't be sitting here writing fanfiction about them.

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It was a warm afternoon under the sea. Captain Barnacles was preparing to take Deborah out to teach her how to operate the GUPs.

"Sir, with all due respect, isn't her mentor supposed to be teaching her this?" Elekai asked.

"Trust me, Elekai," said Captain Barnacles. "I'd sooner let Shellington teach her how to do quantum physics in Mandarin than how to drive." He closed the windscreen. Elekai shrugged and opened the Octo-Hatch, and off they went.

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Once in a safe, spacious area, Captain Barnacles put Deborah in front of the dashboard.

"Alright, these handles start and stop the GUP." He pointed to the handle in front of her. Deborah put her hooves on the handle and pushed it forwards, making the GUP go forward. She drove it around for a bit before pulling on the handle to make it stop.

"Well done. Now, this chute leads to an opening at the front of the GUP. We use this for a multitude of reasons." He handed her a fish biscuit to try it out. She slipped it into the chute, and it popped out into the water, where it was promptly devoured by a fish.

"Watch for that red button," said Captain Barnacles. "That's the turbo button. It makes the GUP go wildly fast. Like, Kwazii-fast." Deborah stared at the button with intrigue in her eyes. Knowing exactly what she would do if he didn't step in, Captain Barnacles scrambled to distract her. "This is the tracker. It shows where other GUPs or Octonauts are." He turned it on, and noticed an orange shape moving on the screen.

"What is that-" Before Captain Barnacles could finish his sentence, the GUP-B went flying by, fast as lightning. He sighed. "If he crashes that damn GUP again, I swear…"

"I'm assuming you don't want me to do that?" Deborah asked innocently.

"No, Deborah. Do not do that." He turned her attention back to the dashboard. "Obviously, there's an Octo-Alert in the GUP. Well, there's one in all of the GUPs, but we're focusing specifically this one."

"I know how the Octo-Alert button works, Captain," said Deborah, miffed.

"Right. Now, you just have to drive around that big rock over there, and you're free to go."

Deborah nodded. She pushed the handlebars to go forward, and the GUP slowly trekked over to the rock. She pushed a little harder to go faster, and after a little stumbling, steered around the rock and back.

"Good work, princess," said Captain Barnacles, ruffling Deborah's hair. "We'll pick up again tomorrow after breakfast."

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(outro)