4 - 1Over and Out of This World Apr. 18, 2023
4 - 2Who’s Your Data Apr. 25, 2023
4 - 3The Blob May. 02, 2023
4 - 4The Watchers May. 09, 2023
4 - 5Here's the Drill May. 16, 2023
4 - 6What a Mesa May. 23, 2023
4 - 7The Return Jun. 06, 2023
4 - 8Between the Lines Jun. 13, 2023
4 - 9Something's Up Jun. 20, 2023- 4 - 10A Frequency Occurrence Jun. 27, 2023
- 4 - 11In the Heat of the Night Jul. 11, 2023
4 - 12In and Out Jul. 18, 2023
4 - 13Everything in the Air All at Once Jul. 25, 2023
4 - 14Living in a Metamaterial World Aug. 01, 2023- 4 - 15Looking Back and Far Beyond Aug. 08, 2023