This is set directly after the episode Invention Intervention. I've assumed that Skipper eventually found out that the invisibility ray was Kowalski's invention.

"Kowalski, options," Skipper whispered. The team was scouting the perimeter of an old barn, thought to be Blowhole's new base of operations. Kowalski began to write on his clipboard.

"Well, I suggest that we through one of the upper windows. We can work our way down to ground level from there." Skipper nodded, turning to leave the safety of the tracktor and find a suitable window. Kowalski stayed where he was, looking to the left. A lantern flashed three times. Kowalski adjusted the inactive tractor's right headlight to point upwards, returning the countersign. The lantern blinked twice, and then switched off.

"What time do you suggest we leave, Kowalski?" Skipper asked sarcasticly.

"Sorry, Skipper." Kowalski brushed past the leader on the way to the front of the group. He pointed at a window, "That one looks accessible."

"Alright, boys. You heard Kowalski." The four penguins climbed up to the top window, jumping from one lose board to another. As soon as each penguin reached the top, they dived behind a bale of hay, as Kowalski's plan described. Private peered over the edge.

"Coast's clear Skippah." The youngest penguin informed his leader.

"Seems kind of easy. Too easy." Skipper replied sceptically.

"No, seems just about normal." Kowalski replied hurriedly.

"Alright, but my gut says…"

Five minutes later

"Hello, pen-gu-ins." Blowhole drove towards the captured birds. As soon as the team had climbed down to the ground a steel cage had fallen from the ceiling, trapping them, "Thank you, Kowalski."

"My pleasure." All eyes turned to Kowalski.

"You… You…" Skipper stuttered.

"Sorry Skipper, but science is my life, I couldn't let you take that away from me." Kowalski replied as one of the lobsters opened the door to the cage, allowing him to exit.

"Kowalski, your inventions were a danger to everyone in the zoo. More than that, everyone on the eastern seaboard!"

"All the better," Blowhole replied, the two allies bursting into maniacal laughter, "Now, pen-gu-ins..." Blowhole reached for a button on his Segway.

"May I?" Kowalski held out a wing.

"Of course." Kowalski climbed up the Segway to the control panel and pressed a button. Kowalski pointed to an image being projected across the back wall.

"Our evil plan is to…" Blowhole began.

"They're escaping!" Kowalski interrupted, pointing at the three penguins attempting slip out of the barn unseen. Kowalski grabbed a laser rifle from one of the lobsters and began to chase after them, but they had too much of a head start.

"Mission accomplished, boys. Kowalski's officially in Blowhole's operation." Skipper replied triumphantly.

"That was a pretty good idea of yours to use you and K'walski's disagreement over his inventions as an excuse for him to infiltrate Blowhole," Private replied, "I am worried about K'walski, though."

"I told you, Private. We have to find out what this new 'secret plan' is." Skipper replied.

"But I thought he was going to tell us his plan, after he captured us?"

"That was only a cover. He's actually working on something far more sinister. He hasn't even told Kowalski yet." Private nodded.

"What 'a note say?" Rico asked. Skipper placed a sheet of paper taken from Kowalski's clipboard on the table. Kowalski had passed it to him when he had brushed past on the way to the front of the group.

"Doesn't really matter now, all it said was that Blowhole had signalled to him that he needed to get us into the centre of the barn so the cage would fall on us." Rico swallowed the note.

"So what's going to happen next?" Private asked.

"That's up to Blowhole."

Kowalski banged his wing on the lab work surface. "I had him! I almost had him, but he got away!" He shouted.

"Welcome to my world," Blowhole grumbled, "Still, the new plan should take care of that." The new plan? Kowalski saw an opportunity to find out what this mysterious plan was, but it could also be a trap. Kowalski decided to wait until Blowhole definatly trusted him, before asking a question like that.

"I'm looking forward to that. Where do you keep the transistors?"

"Third drawer on the right."

Kowalski knew his room was bugged. So was the rest of the hideout. He also knew all his belongings had been searched and his inventions reverse engineered, to make sure they weren't hiding any non-evil surprises. Blowhole still didn't trust him yet. Kowalski stepped into the corridor outside the lab. He noticed a camera, and turned his back to make sure it couldn't see what he was writing. He pulled out his clipboard and started to record the information he had gathered that day. It wasn't a major breakthrough, just notes on the locations of cameras, the plans of the building, Blowhole's favourite cereal, stuff like that.

"What are you doing?" Kowalski turned around sharply, hiding the clipboard behind his back. Blowhole had poked his head out of the lab.

"Breath of fresh air. Think I breathed in a bit too much of that experimental knockout gas." Kowalski lied.

"What were you writing?" Kowalski handed blowhole the clipboard, removing the incriminating page while it was still hidden behind his back.

"It's a map of the base, its escape tunnels and security measures. It was supposed to be a surprise." Kowalski had prepared the map beforehand. It was all real, just missing out one or two extra traps Skipper had placed after Kowalski had gone undercover. Kowalski just hoped that Blowhole's sources weren't too up to date.

"Wonderful, though I wish you had told me. I would have shown you my three dimensional map creator."

"Well, It's not finished yet…"

"Good. Actually it was one of the red ones who gave me the idea. Do you remember when we used to sneak into the computer lab after school closed?"

"How could I forget something like that…

"Seriously?!" Kowalski replied incredulously. The dolphin and his new partner in evil were standing in the Scheming centre telling science related anecdotes.

"I know. I kept telling her E=MC cubed!" Blowhole laughed, "Anyway, after about two weeks she finally agreed with me that Einstein had gotten it wrong. I mean really? Where did he get E=MC squared from?"

"It took her two weeks? Did she even read the equations?"

"No. In fact…" Blowhole turned, "Oh, hello Doris. We were just talking about you."