Ep. 191: Hamtaro takes custody of Marron while keeping her hidden from Laura and her parents.
Aired on March 12, 2004

191
Marron keeps Boss and Snoozer awake at night, prompting Hamtaro to take temporary custody of her. He must ensure that Laura and her parents do not see the hamster, but Marron refuses to stay still. The Ham-Hams, along with Tomy-T and Eggy-P, search for her. Marron employs various tricks to evade capture and maintain her freedom during this chaotic situation.
Episodes
- Ep. 187 · The Mystery of the Valentine Chocolate Gift
- Ep. 188 · Sparkle Exercises Pashmina to Become a Star
- Ep. 189 · Sandy falls ill, causing concern among the Ham-Hams and their visit to Dr. Lion and Flora.
- Ep. 190 · Boss develops feelings for Bijou's French friend Oshare during her visit
- Ep. 191 · Hamtaro takes custody of Marron while keeping her hidden from Laura and her parents.
- Ep. 192 · Sparkle and Glitter relocate to Hollywood while Sparkle seeks a boyfriend among the Ham-Ham boys.
- Ep. 193 · Hamtaro Stays While Boss Leaves the Clubhouse in Shame
- Ep. 194 · The Ham-Hams encounter Lapis and Lazuli in the candy realm of Sweet Paradise
- Ep. 195 · Lapis doubts friendship while Ham-Hams play in Sweet Paradise