Have you made a button in your interactive video which links to another hihaho video? Adapt the URL, so that the linked video starts right where you want it.
Step 1. Open the editor of your interaction. In the example below, the button 'Skip to next episode'
Step 2. Choose Action type Hyperlink
Step 3. Copy and paste the URL of the video that you want to link to in the Hyperlink section
Step 4. Add ?s=hh:mm:ss:ms to the URL. For example, if you append ?s=00:02:03.78, the video will start after 2 minutes, 3 seconds, and 78 milliseconds
This results in an URL like this: