Fics like On the Rooftop

Waking up in the middle of the night to find Phineas gone is never something Ferb enjoys.

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1. Don't Take Candy (From Anyone) by LigerCat (Phineas and Ferb)
2. Sound of Silence by LigerCat (Phineas and Ferb)
3. Marrs Upon My Skin by LigerCat (Phineas and Ferb)
4. Midnight Googling by wordsurge4 (Phineas and Ferb)
5. Eternity's Dime by LigerCat (Phineas and Ferb)
6. Watching the Cipher-Verse by Mandalore_the_Atreides (Phineas and Ferb, Phineas and Ferb the Movie: Across the 2nd Dimension (2011), more)
7. Broken Wing by LigerCat (Phineas and Ferb)
8. The Silencing of Phineas Flynn by HidingintheInkwell (Phineas and Ferb)
9. The Genius of Being Solo by TheMiraculousMat (Phineas and Ferb)
10. Watching of Across the 2nd Dimension by Razena (Phineas and Ferb, Phineas and Ferb the Movie: Across the 2nd Dimension (2011))
11. well, i wanna go back (but i'm halfway to the place where we will meet) by flibbertygigget (Phineas and Ferb)
12. Let's all assume the worst by KissingLizard (Phineas and Ferb)
13. First day of school by Deadbeataubergine (Phineas and Ferb)
14. Towards the Sun by Word_Addict (Phineas and Ferb, Gravity Falls)
15. Waterlogged by TolkienScholar23 (Phineas and Ferb)
16. Capturing the Past by Winter_S_Jameson (Phineas and Ferb)
17. Summer Rain by Iron_Tony604 (Phineas and Ferb)
18. forget-me-not (Phineas and Ferb)
19. There’s an “M” in time machine by TimberedFir2048 (Phineas and Ferb)
20. Better left unsaid by KissingLizard (Phineas and Ferb)