Highlander: The Animated Series (1994)

S1E10 The Valley of the Thorn Pods

Ramirez leads Quentin to meet Immortal Sahevy, a sage well-versed in botany and farming. Unfortunately, the forest where Sahevy resides has been overrun by carnivorous plants. The local villagers hold Sahevy responsible for this threat, even going so far as to accuse him of betrayal.