Season 2 was announced on November 18, 2014. The season premiered on May 23, 2015 and ended on August 6, 2016. Season 2 arrives characters Madison and Natlee.
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)
- Lincoln Melcher as Mack (2/26 Episodes)
- Siena Agudong as Natlee (6/26 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
- 5/23/15 Wanted: The Sugar Beet Gang (201)
- 5/30/15 No Ifs, ands, or But-ers (203)
- 6/6/15 Urban Legend Outfitters (202)
- 6/13/15 Do-It-All Dawn (204)
- 6/20/15 Unhappy Campers (205)
- 6/27/15 Mall in the Family (207)
- 7/11/15 I Want Candace (209)
- 7/18/15 Sweet Foot Rides (208)
- 7/25/15 The Mighty Quad-Squad (212)
- 11/11/15 Quaddy-Shack (218)
- 11/25/15 Go Hollywood (213-214)
- 1/9/16 Rock 'n' Rules (215)
- 1/16/16 Ballet and the Beasts (217)
- 1/23/16 She Blinded Him with Science (Bob) (211)
- 1/30/16 Harpers for President (206)
- 2/6/16 Doggy Door Afternoon (216)
- 2/13/16 Three Men and a Mae B. (220)
- 2/20/16 Diary of an Angry Quad (225)
- 2/27/16 Quad Court (210)
- 3/5/16 The Quad-Plex (219)
- 7/9/16 Nicky, Ricky, Dicky & Sicky (224)
- 7/16/16 Mission: Un-Quaddable (226)
- 7/23/16 A Brief Case of Popularity (221)
- 7/30/16 New Kid on the Block (223)
- 8/6/16 The Tell-Tale Art (222)
- There were expected to be 20 episodes within the season but the season was later expanded to 25 episodes.
- This season had many hiatus' after a bunch of episodes had aired.
- In this season Natlee seems more aggressive.
- Season 2 is the longest season.
- Season 2 is the lowest viewed season.
- This is the first season without at least one episode with over 2 million views.
- There was five hiatus' during episode airing.