Zoe's reaction to Blythe altering the birthday dress that was made for her in "Terriers and Tiaras."
The season one finale in general. Blythe leaving to fashion camp for the summer. Think about that.....
In "Commercial Success" when Mrs Twombly who was very excited to be in the commercial was cut out entirely Kathleen Barr does such an authentic cry, that you can't help but feel sorry for Mrs. Twombly.
Pepper in "Sweet Pepper", she spends most of the episode upset because she can't bring herself to talk to Captain Cuddles without punching him. She's so stressed about it that she actually snaps at Buttercream at one point.
Russell on the verge of tears in The Hedgehog In The Plastic Bubble due to his quilling problem
In "Sunil's Sick Day" when Sunil and Vinnie imagine what life would be like without the other when they start to miss each other