Father builds a Multiverse Machine and opens a portal to Danny's world. The adult villains and teenage ninjas go there to make kid's in that world suffer then try to recruit other adults and teens. Cree goes to Casper High undercover so she can spy on Danny.
Rated: K+ - English - Adventure/Supernatural - Chapters: 4 - Words: 3,550 - Reviews: 5 - Favs: 9 - Follows: 7 - Updated: 7/15 - Published: 6/24 - Abigail L./Numbuh 5, Cree L./Numbuh 11, Danny F., Valerie G.