Mr. Squiggles quits science after many failures are made.
- Jenna Warren as Frankie Pamplemousse
- Tajja Isen as Pipsqueak
- Richard Binsley as Mr. Squiggles
- Stephany Seki as Num Nums
- Robert Tinkler as Chunk
- Zachary Bennett as Stanley Pamplemousse
- Stacey DePass as Ellen Pamplemousse
- Nicole Stamp as Whendy Sails
| Spoiler warning!|
This section contains plot details about an episode.
- Poland: June 22, 2017 on the Disney Channel
- Czech Republic and Hungary: July 13, 2017 on the Disney Channel
- United States: July 15, 2017 on the Disney Channel
- The title of the episode is a pun on 'zhu' and 'new and improved.'
- ↑ 1.0 1.1 "Zhu and Improved; The Unfortunate Cookie Crumbles". Screener. Retrieved on 2017 June 10.
- ↑ "Disney Channel - program tv na 22.06.2017" (Polish). Telemagazyn.pl. Retrieved on 2017 June 11.
- ↑ "A Disney Csatorna júliusi újdonságai". Gyerek-Világ. Retrieved on 2017 June 10.