Digimon Tamers Episode 16
Dub Name: Back to Nature, Back to Battle
Japanese Name: Protect the City of Lights! The Dangerous Camp of Digimon

Summary:
Takato and Henry go on a camping trip with their classes. They also bring along their digimon with them and Calumon. Shindauramon shows up and drains the nearby town of all its energy. Some how he makes an owl talk. Takato and Henry than face off with him outside of the forest and Gargomon is able to delete him.