This chapter of the guide to Dragon Ball Z: Kakarot has a walkthrough for the Animorphaline Accident side quest.
Time frame: From Android Terror Arrives - Episode 8: Kami's Successor to Episode 8: Kami's Successor
Reward: 150,099 EXP, 5x D Medal, All-Purpose Animal Hood
Where to start: West Forest Area, as Goku
To start this mission, you must go to the Sacred Land of Korin. Talk to him to get a new substory.
Your first task is to get to the Cell Games Area. There, get to the cave and talk to the characters. After that, you will be moved to Bulma.
Your next task is to get information from Bulma and then pass it on to a specific person. That person will give you the next part objective.
You must find the Meaty River Snail. It is located in the water, in the place marked in the picture above.
Golden Gazelle Antler is in the place indicated in the screenshot above, in the western part of the map. However, you must pay attention to the color of the animals. They should have a golden fur.
Herbs are in the northern part of the map, next to the pond.
Once you get all the ingredients, return to the quest giver and complete the mission.