Mystery of the Fearsome 100 Demon Empire - S1-E2
Other mistake: When Joho is looking at 'the crazy guy' praying under the dam, the racquets in his hand (assuming that's what it is) are misshapen. (00:10:15)
An Insidious Trap! The Flying Fleet - S1-E3
Continuity mistake: The little bird that falls with Genki from the top of the building (surely that kid is something else, being unscathed falling face first from that height) lies in a different spot of the pavement between shots. (00:02:35)