Season 1 was announced on March 13, 2014 by Nickelodeon. The season was ordered for 13 episodes, but was bumped up to 20 episodes later on.
- Lizzy Greene as Dawn Harper (20/20 Episodes)
- Casey Simpson as Ricky Harper (20/20 Episodes)
- Mace Coronel as Dicky Harper (20/20 Episodes)
- Aidan Gallagher as Nicky Harper (20/20 Episodes)
- Allison Munn as Anne Harper (20/20 Episodes)
- Brian Stepanek as Tom Harper (20/20 Episodes)
- Gabrielle Elyse as Josie Cooper (13/20 Episodes)
- Kyla Drew Simmons as Mae Valentine (5/20 Episodes)
- Cody Keith as Oscar (5/20 Episodes)
- Lincoln Melcher as Mack (3/20 Episodes)
Special Guest Cast
- 09/13/14 - Pilot (101)
- 09/20/14 - Dawn Moves Out (104)
- 09/27/14 - Get Sporty-er! (103)
- 10/04/14 - Field of Brains (107)
- 10/18/14 - Scaredy Dance (111)
- 11/01/14 - Remote Control Control (105)
- 11/08/14 - Poo Dunnit (110)
- 11/15/14 - I Got Your Back (109)
- 11/22/14 - The Sad Tail of Gary-Chip-Tiny-Elvis-Squishy-Paws (108)
- 11/29/14 - Santa's Little Harpers (113)
- 01/10/15 - The Quadfather (102)
- 01/24/15 - The Quad-Test (115)
- 01/31/15 - The Secret (116)
- 02/07/15 - Take the Money and Run (112)
- 02/14/15 - Valentime's Day (118)
- 02/28/15 - Piggy, Piggy, Piggy & Dawn (117)
- 03/07/15 - Quad-ventures in Babysitting (106)
- 03/14/15 - M.D. Day (119)
- 03/21/15 - Abraquadabra (120)
- 03/24/15 - Family Matters (114)
- The season was originally ordered for thirteen episodes, however, the season was later expanded by seven episodes, adding it up to a total of twenty episodes.
- This season introduces three recurring characters, including Josie Cooper, Mae Valentine and Mack.
- Josie Cooper is considered a main character, despite being absent for seven episodes.
- This is the only season to feature Josie Cooper.
- There were two special guest stars in the season, they were Alex Morgan as herself (a Soccer Player) and Bob Pflugfleder as himself, also known as Science Bob.
- This season had the highest average number of viewers in the series with 1.75 million viewers.
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