Chrono Trigger Endings Collection (Ending 9 - No Crono?)

In this ending, the entire party is laying on the ground at the end of time. You are then told you must hurry and leave or the gate will close. However, Gaspar does notes that he forgot to tell you about the Chrono Trigger. Back in your time, Marle eventually finds out at the fair that her friends have gotten through the warp back to that time, and Frog is human! However Gaspar attempts to escape and the void closes, but Lucca and Marle still have access to the Epoch. The decision is made to leave and seek Crono out!

Conditions:
Beat Lavos prior to restoring Crono.