Here's how who stole the instruments in Diesel City Adventure: The Search for The Cartoon Flamers' instruments.
Squidward: Alright, now to get the... [notices the instruments are gone] [gasp] THE INSTRUMENTS!!!! THEY'RE GONE!!
[he then goes to tell the others]
'Squidward:' SPONGEBOB!!! SPONGEBOB!!
[he then takes to them to the scene of the crime]
'Buttercup:' OUR INSTRUMENTS!!
Eddy: We can't do the concert without them!
Spud: OOOH! Where have they gone?!
Spongebob: Search this whole spot for clues! Anything that can help!
Private: Here's something! Oh no, it's just lint.
Patrick: Here's a clue! [picks a soda bottle]
Mr. Blik: This is serious, Patrick!
[then Edd slips on something]
Edd: Yimp! [lands on the ground] Ow. [then he looks down and seea patch of oil] Oil! Hey, Sponge! Come look at this!
Spongebob: [comes over] Kowoski, indentify this oil!
Kowoski: [comes over and then he uses a device to indentfy the oil] This is a sample of diesel oil, Sponge.
Skipper: So, our theif is a diesel!
Wubbzy: Wow. I'd never expected a diesel.
Filburt: What are you talking about? The majority of villains we face are diesels!
Wubbzy: Oh, that's right.
Sully: Now, we just have to figure out, which diesel.
Littlefoot: It couldn't be Diesel 10, he's in jail.
Rocko: And Diesel, Arry and Bert are still on Alkatraz Island.
Cera: What about Splatter and Dodge?
Eddy: Those 2 idiots? Doubt that.
Dexter: We could always check the survalience cameras.
[They come to the servalience room]
Skipper: Alright, let's see who our theif is.
[Kowoski then presses a few keys and the videos replay and then they see the shape of the diesel coming to the instruments]
Mike: There it is!
[we se the diesel then use his claw to take the instruments as they pause the clip]
Spongebob: So, our diesel is a clawed one, like D10.
Skipper; Now we just hve to find him.
Spongebob: Then, let's go! Get the train ready!