Age Ain't Nothing But a Number is the eighth episode of season 3 of grown-ish, and the forty-second episode overall. It aired on March 5, 2020.
- Yara Shahidi as Zoey Johnson
- Trevor Jackson as Aaron Jackson
- Francia Raisa as Ana Torres
- Emily Arlook as Nomi Segal
- Jordan Buhat as Vivek Shah
- Chloe Bailey as Jazlyn Forster
- Halle Bailey as Skylar Forster
- Luka Sabbat as Luca Hill
- Diggy Simmons as Douglas Frederick "Doug" Edwards
- Deon Cole as Charlie Telphy
- Ryan Destiny as Jillian
- Henri Esteve as Javier
- Andrew Liner as Rodney
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