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.
- Aidan Gallagher as Nicky Harper
- Casey Simpson as Ricky Harper
- Mace Coronel as Dicky Harper
- Lizzy Greene as Dawn Harper
- Allison Munn as Anne Harper
- Brian Stepanek as Tom Harper
- Kyla Drew Simmons as Mae Valentine
- Lincoln Melcher as Mack
- Siena Agudong as Natlee
- Jessica Belkin as Madison
- 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 26 episodes.
- This season had many hiatus' after a bunch of episodes had aired.
- The time slot for this season is: Summer 2015 Saturdays at 8:30PM, (8:00PM The Thundermans, 9:00PM 100 Things, 9:30PM The Slumping Team) Fall 2015 Wednesdays at 8:30PM (7:30PM The Thundermans, 8:00PM Bella And The Bulldogs) Spring-Summer 2016 Saturdays at 8:30PM (7:30PM The Slumping Team, 8:00PM Game Shakers, 9:00PM 100 Things, 9:30PM The Gang)
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