This is the Kubernetes explained in plain English series. This is the second video in the series "Replica Set explained in plain English" with the help of Phippy and Friends. Credits to CNCF foundation - http://phippy.io/ for the characters from the "Illustrated children's guide to Kubernetes"
The link to the step by step practice lab - You do not need a pre-existing Kubernetes environment to get started you can perform all of the tasks right from the browser - https://www.katacoda.com/ranand12/scenarios/podsinplainenglish
If you are preparing for the Certified Kubernetes Administrator (CKA) or Certified Kubernetes Developer (CKAD) - this video series will be in alignment with your exam preparation
For more simplified videos check out -- https://www.azuremonk.com/videos
For the Kubernetes in plain English series - check this video playlist out https://www.youtube.com/playlist?list=PLp_fsLj4v7gTA8n2UngXfOc_5puPPmFdK
K8s in plain english