The Apartment get blackout for one day and Cory and Topanga telling story about they life when their age.
- Rowan Blanchard as Riley Matthews
- Sabrina Carpenter as Maya Hart
- Corey Fogelmanis as Farkle Minkus
- Danielle Fishel as Topanga Matthews
- August Masturo as Auggie Matthews
- Ben Savage as Cory Matthews
- Peyton Meyer as Lucas Friar
- Cecilia Balagot as Isadora Smackle
- Amir Mitchell–Townes as Zay Babineaux
- This is first episode of season 4.