Sheep: The pals need something to fix their blanket. 337. Disappearing: The Hoobs figure out a way to make the purple mark disappear. 338. Hobbies: Iver wants to find a hobby that suits him. 339. Toys: The friends look at all kinds of Tiddlypeep toys. 340. Slow: Groove and Tula try to help Iver slow down. 341. Crumbs: The gang wonders what happened to the Tiddlypeep buns. 342. Hang Ups: Groove needs something to hang up his CDs. 343. Picking Up: The Hoobs try to find some way to pick up Tula's Hoobypins out of the box without getting pricked. 344. Dark: The pals figure out why night has to be so dark. 345. It's a Mystery: Hubba Hubba wants to read a Tiddlypeep fairy tale, but he is missing a page from his book. 346. Dinosaur: Groove cannot figure out where he can put this toy dinosaur in his collection. 347. Wheels: The friends wonder what sort of wheels could they have in the Hoobmobile. 348. Soft: Tula needs something soft so she does not hurt herself. 349. New Words: The friends need to learn how to say some new words. 350. Behind You: The gang find something to look behind them. 351. Bubbles: The Hoobs wonder why they are bubbles in the Hoobypond. 352. Bouncing: The pals find some things that can bounce. 353. Big Loaf: The friends made the biggest Hoobynut loaf ever. 354. Lucky: Tula needs a good luck charm to make her feel lucky. 355. Hats: The Hoobs wonder why Peeps wear flowerpots on their heads, which are hats. 356. Camel: The gang cannot figure out why camels have humps. 357. Talking to Yourself: Groove and Tula think Iver is talking to himself, but he thinks he was talking to someone else. 358. Ba-Boom!: Iver has a ba-boom inside his chest. 359. Trees: The friends discover fruit in the Heebleleaf tree. Season 4 (2001–2002) 401. Hooblebumper Breakfast: Tula and Groove decide to have a huge Hoob breakfast called a Hooblebumper breakfast. 402. Hooby Clues: The Hoobs are enjoying a good game of Hoob Clues. 403. Ouch: After preparing for a picnic, Tula's paw gets stung, and it really hurts. 404. Round And Round: Iver scoffs at this: there is no such as something that goes round and round without stopping... is there? 405. The Fair: Roma is coming to visit, so the Hoobs try and