Warner Bros. has released the logline description description for Thundercats Episode 11. They have also changed the title from “The War Forgers” to “The Forest of Magi Oar“. Here’s the episode description:
Sent to the Forest of Magi Oar, Lion-O must master Sight Beyond Sight before returning to the Elephant Village. The Cats encounter paper warriors with a dark secret.
Also, the title for Thundercats Episode 14 (yes, they skipped over 12 and 13) is officially “New Alliances“.
- Thundercats Sight Beyond Sight
Thundercats Episode 11 Change and Description and Episode 14 Title Released
from what I've heard 12 is "into the astral plane" and 13 is "between brothers."