This episode is all about the Batiri Goblins and the Grung, the technicolour terrors of Chult! Or, alternatively, one of the most unique goblin sub-species on Faerûn who are very much in the running for establishing a functional goblin civilization, and a group of little frog people who may be a bio-weapon created by the Batrachi to battle giants in the Days of Thunder! Bonus: watch me have a complete brain hiccough live! Skip to ~3:50 for content.
Want to read about Chult in 5e and the Tomb of Annihilation? Start here!