Season 1 of The Dumping Ground aired from 4 January to 15 March 2013.
With the exception of Dani Harmer (Tracy) and Saffron Coomber (Sapphire), the main cast from Tracy Beaker Returns returned for the new series. The series also introduced three new characters: Faith, a teenage girl who is training to be an athlete but has a past she would rather not talk about, Floss, a small girl with a mischievious streak, and Mo, a young eccentric boy who likes arts and crafts. The series also saw the departure of Noah Marullo as Gus, as well as the final appearances of Kay Purcell as Gina and Jessica Revell as Elektra.
- Home Alone
- Liberty in the DG
- What Would Gus Want?
- The Real Faith Davis
- The Truth is Out There
- A Day in The Past
- Oh, Mo!
- Seriously Funny
- Scary Beasts
- Connor Byrne as Mike Milligan
- Kay Purcell as Gina Conway
- Jessicca Revell as Elektra
- Daniel Pearson as Rick Barber
- Noah Marullo as Gus Carmichael
- Leanne Dunstan as Faith Davis
- Sarah Rayson as Floss Guppy
- Amy-Leigh Hickman as Carmen Howle
- Kia Pegg as Jody Jackson
- Philip Graham Scott as Harry Jones
- Jessie Williams as Lily Kettle
- Miles Butler-Hughton as Tyler Lewis
- Chris Slater as Frank Matthews
- Reece Buttery as Mo Michaels
- Joe Maw as Johnny Taylor
- Mia McKenna-Bruce as Tee Taylor