You should be able to construct a Custom behaviour for going to the specific time on scene 1.
On scene 2 mouse click action -> Go to Scene 1 (INSTANT transition) , Trigger Custom Behaviour
In most cases you will want to use instant transition. Otherwise you will get things like the animation will show at the specified time in the timeline but then restart once the scene has fully loaded
You can get around this with some tricks.
For example make the timeline relative. You can then have a crossfade transition that will in effect start the other timeline from the current position rather than jumping back to the start.
customBRel_Fade.hype.zip (25.5 KB)