Fics like World Without Kevin

Professor Exclamation steals Dakota and Cavendish's Time Machine to create a timeline where Kevin isn't Gretel's brother. Gretel wakes up in the new timeline and finds out nobody remembers him. Then it turns out Kevin is now the brother of Phineas, Ferb and Candace and also doesn't remember Gretel. Now Gretel has to return things to normal.

You may also like

1. Remind Me (That I'm Worth It) by HidingintheInkwell (Phineas and Ferb)
2. Inventions, Mysteries, Amphibians, And Titans: A Chat Fic by Insecdroid, Orahm%20Xoorha (Phineas and Ferb, Gravity Falls, more)
3. Capturing the Past by Winter_S_Jameson (Phineas and Ferb)
4. The Silencing of Phineas Flynn by HidingintheInkwell (Phineas and Ferb)
5. Give Me Something To Cry About by IronicAppreciation (Phineas and Ferb)
6. Waterlogged by TolkienScholar23 (Phineas and Ferb)
7. In Two Weeks by defiant00 (Phineas and Ferb)
8. Ow, my neck! by KissingLizard (Phineas and Ferb)
9. Perry-digm Shift by talanashta (Phineas and Ferb)
10. Debauchery in Danville by YahooSounding, nightmaster000 (Phineas and Ferb)
11. Half a Step Clockwise by NPP6 (Phineas and Ferb, Phineas and Ferb the Movie: Across the 2nd Dimension (2011))
12. Blending the Mediums by KPfan1013 (Lizzie McGuire (TV), Kim Possible (Cartoon), more)
13. Be Right There by orphan_account (Phineas and Ferb)
14. Carpe Diem by Isabel3710 (Gravity Falls, Phineas and Ferb)
15. Watching the Cipher-Verse by Mandalore_the_Atreides (Phineas and Ferb, Phineas and Ferb the Movie: Across the 2nd Dimension (2011), more)
16. A Break by bamboozledeagle (DuckTales (Cartoon 2017), Phineas and Ferb)
17. Super Stomach Flu by Ace_of_Clubs_21 (Hamster & Gretel (Cartoon))
18. Orange Juice by matarratasgirl (Phineas and Ferb)
19. The New Normal by TheChristianNerd (Phineas and Ferb)
20. 105th Day by legobatman67 (Phineas and Ferb)