Niko and the Sword of Light (2017)

S1E11 From the Tunnels of Terror to the Den of Doom

As the team is pursued by a horde of Exuber-Ants, Lyra suffers a bite. In order to save her, Niko and Mandok must venture into the treacherous depths to recover a legendary suit of armor guarded by the fearsome Diggantus.