Not able to login and connect to Playground even after resetting password.

Hi @Joel Chandolu I am a member from the Trailhead Help Team. Upon checking I see that "epic.88fc1729004191046@orgfarm.th" is inactive so kindly follow the steps below to disconnect your current Agentforce Playground and create a new one. 

1. Go to a standard playground badge like this one: https://trailhead.salesforce.com/content/learn/projects/configure-a-net-zero-cloud-org/create-net-zero-cloud-profiles-and-users
2. Scroll to the bottom and click the 3 dots next to the playground listed
3. Click Manage Orgs
4. Click Create Playground
5. When it is made, refresh the page and you should be able to click Disconnect next to the Agentforce org (org starting with Epic.....)

Post these steps, navigate to https://trailhead.salesforce.com/content/learn/projects/quick-start-build-your-first-agent-with-agentforce/configure-an-agentforce-service-agent , refresh the page and you should be able to create a new org.

 Thank you!