|Season 1||Season 2||Season 3||Episode Guide|
Set in a suburb of Massachusetts, the series will continue to follow Harley as the heart of the Diaz family, navigating the ups and downs of changing family dynamics. The third season will continue to emphasize the importance of STEM by highlighting Harley’s inventions in every story.
- Jenna Ortega as Harley Diaz
- Isaak Presley as Ethan Diaz
- Ariana Greenblatt as Daphne Diaz
- Kayla Maisonet as Georgie Diaz
- Nicolas Bechtel as Lewie Diaz
- Malachi Barton as Beast Diaz
- Cerina Vincent as Suzy Diaz
- Joe Nieves as Tom Diaz
- Ronni Hawk as Rachel Diaz
- Lauren Pritchard as Bethany Peters
- Olga Mereditz as Abuela
- Alana Baer as Chloe
- TBA as Aiden
- Main article: Episode Guide
These are episodes that have confirmed titles and dates.
- 12/08/17 - Stuck at Christmas - The Movie (301-302/3-99)
- 01/19/18 - Stuck with Rachel's Secret (303)
- 01/26/18 - Stuck with a Diaz Down (304)
- 02/02/18 - Stuck in Camp Chaos (305)
- 02/09/18 - Stuck with Harley's Bethany (306)
These are episodes that have been confirmed to air, but the date is unknown.
- Stuck in a Nice Relationship (307)
- Stuck with Horrible Helpers (308)
- Stuck in a Mysterious Robbery (309)
- Stuck in a Besties Battle (310)
- Stuck with a New Squad (311)
- Stuck with a Non-Diaz (312)
- Stuck in the Dark (313)
- Stuck in Harley's Quinceañera (314)
- Stuck in Spring Break (316)
- This season featured the first Christmas special of the series.
- Apparently, Rachel will spend much of the season in Europe.