As a background character she don’t get much characterization, but when I saw her for the first time she caught my eye and ever since I tried to spot her in the episodes she appears in.
She is seen for the first time in the Episode Twilight Time, where she one of the fillies who want in on Twilight Time with the CMC.
During Twilight Time she is in the group that wants to see Apple Bloom make potions and she appears to take an interest.
She is next time seen in Inspiration Manifestation, where is she shown to be happy about the Foal and Filly Fair to begin.
In Slice of Life, she is seen at Cranky and Matilda’s wedding, hiding among other foals from the changeling who is also at the wedding.
In Brotherhooves Social, she is seen in the background during Big Mac and Apple Bloom’s singing performance.
In Crusaders of the Lost Mark, she is seen several time, like during the Student Pony President election, and since Diamond Tiara only got one vote
we all know who Boysenberry voted for.
In The One Where Pinkie Pie Knows, she is seen getting a ballon shaped like a giraffe from Pinkie, and since the fillies can ask Pinkie for whatever they
want the ballon to be shaped as, let us assume she likes giraffes.
In The Cutie Re-Mark Part 2, she is seen in the alternat timeline where changelings have conquered Equestria
She is at the camp in the woods hiding from the changelings with other ponies.
She is wearing the magical salve indicating she is not a changeling.
In A Hearth’s Warming Tail, she is seen during the song: Say Goodbye to the Holiday, where she gets sad when Snowfall Frost takes a doll from Pipsqueak.
In 28 Pranks Later, she is seen during Cheerilee’s class when Rainbow Dash is on a prank spree.
In A Flurry of Emotions, she is one of the foals who is at the hospital because she has horsey hives.
She gets levitated around by Flurry Heart who is looking for her Whammy.
In the end she listens to Spike reading a story.
In Parental Glideance, she is seen at the end, listening to Scootaloo giving her school report about Rainbow Dash.
In Fame and Misfortune, she is seen standing in line with other foals to get a copy of the Friendship Journal from Twilight.
In Between Dark and Dawn, she is seen at the Filly Guides camp showing she is a Filly Scout.
Finally, she is seen in the Last Problem, as an adult during the song: The Magic of Friendship Grows.