Mametchi and the others get sent back in time to the era of the first tamagotchis! In this era, tamagotchis are suffering from huge attacking plants. Determined to help everyone, Mametchi builds a mecha to defeat them. Lovelitchi gets sent back in time to the same place as Mametchi and the others. Her cell phone "Telelin" starts talking, surprising her. They both join Mametchi to save the tamagotchis in peril.