Planet of the Toilets is the 4th episode of Season 1 in the the Danger Mouse 2015 reboot.
- Doctor Loocifer (First appearance)
- Army of toilets
- Regular Toilets (Possible Only Appearance)
- Fighting Toilets (First appearance)
- Porta-Loo (First appearance; Later return in DM Online Game)
- Scientists (First appearance)
- Hans (Only appearance)
- Isambard King Kong Brunel (First appearance) (Cameo)
- Toilet Brush
- Bullet Train
- MK IV
Penfold accidentally drops a computer chip into a Japanese toilet, making it come to life. When it learns the truth about toilets, it calls itself "Doctor Loocifer" and summons an army of toilets.
- This episode marks the first appearance of Doctor Loocifer.
- Colonel K reveals that someone uses his coffee mug; he does not drink coffee.
- This episode marks the first appearance of Hans.
- This episode marks the first appearance of Isambard King Kong Brunel, although he is only in the background and not seen as a villain and would later go on to make his proper debut in Big Penfold