Ep. 144: The Legend of Keroro's Iron Mask: The Mysterious Sir with Huge Ears
144
Episodes
- Ep. 140 · Keroro Platoon Year-end Adjustment Operation and Keroro's Solo Battle
- Ep. 141 · Keroro: Inner-Tokyo Ice Age: Alisa Has Arrived, Sir!
- Ep. 142 · Keroro: Give Me Back My New Year, Sir! / Giroro: First Job of the Year is the Invasion of Pekopon, Sir!
- Ep. 143 · Keroro's Father Appears, Sir! / The Hinata House Sinks, Sir!
- Ep. 144 · The Legend of Keroro's Iron Mask: The Mysterious Sir with Huge Ears
- Ep. 145 · Urere: The Popular Invader, Sir! / Keroro: And Then, You Guessed It, There Were None, Sir!
- Ep. 146 · Do You Remember Pluto, Sir?
- Ep. 147 · Paul: A Butler's Duty, Sir! / Giroro: Who Gave It to Me, Sir?
- Ep. 148 · Koyuki in Historical Wonderland, Sir! / Keroro: Let's Pounce on Chuubei-sama, Sir!