It's the week before the Little Einsteins' 20th birthday. After the disaster that happened last year, we don't know if there will be a party this year after the Little Einsteins' parties were ruined every year. Then June gets kidnapped by Mr. Gonsin as he is working on a special present for the Little Einsteins when October 9th comes. Will Leo & his team defeat Mr. Gonsin & his gang before October 9th?