Source: CBBC
52. Better Out Than In
14-03-2017
CBBC
All episodes
51. Better Together
13-03-2017
50. Beyond Reasonable Drought
10-03-2017
49. Boggle Boggle
09-03-2017
48. An Earful Of Willi
08-03-2017
47. Berry Grubfest
07-03-2017
46. Rustbeard
06-03-2017
45. Gum Fu Gumble
03-03-2017
44. The Return Of Sammi Whammi Gumble
02-03-2017
43. In Your Dreams
01-03-2017
39. Where's Willi?
02-02-2017
8. Gumble Rally
03-08-2016
11. The King's Seat
08-08-2016
20. Those Magnificent Gumbles
09-12-2016
27. Happy Gumbleday To Bounce
17-01-2017
32. Hair Today
24-01-2017
21. Captain Grate Face
12-12-2016
37. You Got Grubb'd
31-01-2017