Season 2 was announced on November 18, 2014. The season premiered on May 23, 2015 and ended on August 6, 2016.
As the Harper Quads get themselves into more trouble, they will find themselves out and embark on more crazy adventures.
- Lizzy Greene as Dawn Harper (26/26 Episodes)
- Casey Simpson as Ricky Harper (26/26 Episodes)
- Mace Coronel as Dicky Harper (26/26 Episodes)
- Aidan Gallagher as Nicky Harper (26/26 Episodes
- Allison Munn as Anne Harper (26/26 Episodes)
- Brian Stepanek as Tom Harper (23/26 Episodes)
- Kyla Drew Simmons as Mae Valentine (11/26 Episodes)
- Siena Agudong as Natlee (6/26 Episodes)
- TBA as Principal Tarian (4/26 Episodes)
- Lincoln Melcher as Mack (2/26 Episodes)
- Jessica Belkin as Madison (2/26 Episodes)
- Bob Pflugfleder as Himself (2/26 Episodes)
Special Guest Cast
- Ayumi Lizuca as Meredith
- April Audia as Phone
- Monique Gall as Coach Lobo
- Candace Parker as Herself
- Jack Griffo as Himself
- Ciara as Herself
- Daniella Monet as Herself
- Dana Snyder as Himself
- Every Witch Way Cast as Themselves
- Asher Angel as Himself
- Isaak Presley as Derek Moses
- Tony Calvero as JT Steele
- 05/23/15 - Wanted: The Sugar Beet Gang (201)
- 05/30/15 - No Ifs, ands, or But-ers (203)
- 06/06/15 - Urban Legend Outfitters (202)
- 06/13/15 - Do-It-All Dawn (204)
- 06/20/15 - Unhappy Campers (205)
- 06/27/15 - Mall in the Family (207)
- 07/11/15 - I Want Candace (209)
- 07/18/15 - Sweet Foot Rides (208)
- 07/25/15 - The Mighty Quad-Squad (212)
- 11/11/15 - Quaddy-Shack (218)
- 11/25/15 - Go Hollywood (213-214)
- 01/09/16 - Rock 'n' Rules (215)
- 01/16/16 - Ballet and the Beasts (217)
- 01/23/16 - She Blinded Him with Science (Bob) (211)
- 01/30/16 - Harpers for President (206)
- 02/06/16 - Doggy Door Afternoon (216)
- 02/13/16 - Three Men and a Mae B. (220)
- 02/20/16 - Diary of an Angry Quad (225)
- 02/27/16 - Quad Court (210)
- 03/05/16 - The Quad-Plex (219)
- 07/09/16 - Nicky, Ricky, Dicky & Sicky (224)
- 07/16/16 - Mission: Un-Quaddable (226)
- 07/23/16 - A Brief Case of Popularity (221)
- 07/30/16 - New Kid on the Block (223)
- 08/06/16 - The Tell-Tale Art (222)
- The season was originally ordered for twenty episodes. During production, it was later expanded by six episodes, making it twenty six episodes.
- This season lasted a long time taking fifteen months to complete twenty five episodes. They had five hiatus’ during the season. This messed up the usual schedule and pushed back the Season 3 premiere.
- This season has the most episodes, consisting of twenty six episodes.
- This season introduces two new recurring characters, Natlee and Madison.
- This season had the lowest average number of views.
- This is the only season to not have an episode with over two million views.
- This is the first season to have a main character absent, with Tom Harper absent for three consecutive episodes, which are the final three episodes of the season, A Brief Case of Popularity, New Kid on the Block and The Tell-Tale Art.
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