Season 2
The series follows the adventures of Sarah, a very kind, polite seven-year-old girl, with big eyes, rosy cheeks and a green hat, and her best friend Duck, a Mallard. The central theme is the relationship between these two characters and the adventures they have together. CBeebies state that the show has two learning themes: 'Friendship and imagination' and 'Problem Solving'.
Episodes
1 Outside Outside Aug 11, 2014 
2 Umbrella Bubbles Aug 12, 2014 
3 Cloud Tower Aug 13, 2014 
4 Sound Jumble Aug 14, 2014 
5 The Mouse's Birthday Aug 15, 2014 
6 Tortoise Snooze Oct 14, 2014 
7 Fast Slow Bungalow Oct 21, 2014 
8 Bags of Bags Oct 28, 2014 
9 Ribbon Fall Nov 4, 2014 
10 Garden Gaming Nov 11, 2014 
11 Seacow Snow Trail Dec 16, 2014 
12 Origami Overload Jan 27, 2015 
13 Shallot Circus Jan 28, 2015 
14 Toy Tidy Jan 29, 2015 
15 Plate Escape Jan 30, 2015 
16 The Big Sleepover Feb 3, 2015 
17 Paisley Sea Feb 4, 2015 
18 Duck's Quack Feb 5, 2015 
19 Rainbow's Niece Feb 6, 2015 
20 Decorating Donkey Feb 10, 2015 
21 Duck Hotel Feb 11, 2015 
22 Parasol Show May 12, 2015 
23 Extra Bounce May 13, 2015 
24 Cake Relocate May 14, 2015 
25 Lost Librarian May 15, 2015 
26 Scooter Standstill May 19, 2015 
27 Music Fixer May 20, 2015 
28 Wool on Wheels May 21, 2015 
29 Lemon Café May 22, 2015 
30 Star Renovation Aug 21, 2015 
31 Woollen Memories Aug 28, 2015 
32 Beach Break Aug 31, 2015 
33 Bubble Bumbling Sep 4, 2015 
34 Toggle Tangle Sep 11, 2015 
35 Tummy Talk Nov 27, 2015 
36 Moon's Exhibition Dec 1, 2015 
37 Pond Prose Dec 2, 2015 
38 The Art of Pink Dec 3, 2015 
39 Bug bop Dec 4, 2015 
40 Duck Flies Dec 15, 2015