On the right of any episode, you will see this symbol,

Click this to add episodes to your queue.

Fig I: Generally this symbol will appear on the right of any episode

Then click this box to confirm that you want to add this episode to your Queue.

Fig II: Clicking inside the red box will confirm you want to add this episode

Note: Episodes in your queue will automatically play after an episode is over.

Enjoy Listening! 😄