"Alright Ralph, I know you wanted some pizza because we just made it back to Windermere, but it's time to start carrying our own weight. The girls are getting too wild for me and I'd like to get some kung-fu practice in for once and maybe we can find someone to help with that itch" said Leo.
I overheard some rumors that we need to head south to save some "little people" that are being held against their will for peoples entertainment. We can also save some called a snork, but I'd prefer to save the Smurfs because ... well because they're blue.
It’s time to head south again and then to the east of Eternia. Optimus you think you can save us some time and fly us there. I hate walking through swamps and don't want me to see any more chewed up dangly bits if I can help with it in case we're not the first ones out.
Well, I see 
Sounds good to me Leo, I think we will be ok as long as we don't want him to go anywhere cold.
The turtles hop in, set the coordinates, and take off. Man, this is the life thought Leo. Not having to walk everywhere and travel in style. We should have summoned Optimus from the very beginning and maybe then we wouldn't have been so slow. All this free time makes Ralph's scratching really annoying
"We should have been there by now," said Ralph. Let's land and have a look around as it seems like we've drifted north of the forest.
Optimus lands and the turtles climb out in the middle of a desert with nothing but sand in site.
Pull out the map Ralph and let's figure out where Optimus made the wrong turn. Just then the turtles heard Optimus start transforming behind them.
We were just joking Optimus settle down, we know Ralph was the one that set the coordinates.
"Whoah this doesn't look good," said Ralph.
High pitched hysterical laughter was heard behind the turtles.
"Now what do those girls want," said Ralph as he turned around. I thought we left before them.
It wasn't the girls behind them, but some strange blue woman. "I am Shokoti," she said.
"Are you the one we're supposed to be saving?" questioned Leo
NO, I'm here to use your friend to destroy you!
Nemesis Prime Activated
What sounded bad began to get even worse. The desert began to disappear around them. A cold stone floor appeared below them as lava began to run on all sides. They appeared to be standing in a cave of some sort. The look their new robot friend was giving them sent chills through their hearts.
"What do we now" questioned Leo?
"Fight," said Ralph
Sigh, that's his answer to everything. Leo drew his sword and went to work. Hours went by as the turtles' weapons were no use against the hard alien steel of Optimus, but the fight raged on. The turtles' had trained for many hours, but the fatigue of the fight was beginning to set in.
"Well, this isn't working, let's try Donatello's approach and use our heads," said Leo.
Well, I would say that will make my head hurt, but at this point, everything else hurts worse, said Ralph.
It's at this point the turtles saw the rope hanging on the wall and like a bolt of lightning, the turtles new what they needed to do. They grabbed the rope with what little energy they had and used their dodgeball abilities to dodge, dip, duck, dive, and dodge everything Optimus threw at them. At this point, Optimus was beginning to slow down and his attacks were coming in slower than the wrenches master splinter used to throw at them.
After the turtles had enough rope wrapped around Optimus's legs they screamed now and pulled as hard as they could. They had maneuvered Optimus over to the lava as close as the could and it was all that was needed to make the giant robot fall into the lava.
"Nooo!" screamed Ralph....
.
.
.
.
As the dust began to fade the turtles realized they were standing next to Optimus who was back to his airplane form and a weird looking statue was melting next to them.
"What's going on guys," Optimus said, "I've already found where we need to head do you guys not know how to read a map?"
Confused the turtles looked at each other back to Optimus and back at each other. Too tired to argue the turtles hopped back into the plane/Optimus and continued on their journey.
Sidetracked will the turtles manage to rescue the smurfs before the others?
Will Ralph cure his itch?
Will Optimus be anything other than a glorified transport?