Complex sentence: After Season 2, she's only appeared in two other episodes, them being "Deep Trouble" a Season 3 episode, where she's wearing a magenta skirt and shoes instead of her rollerskates.
Split into simpler sentences: After Season 2, she's only appeared in two other episodes, them being "Deep Trouble". In a Season 3 episode, she's instead seen wearing a magenta skirt and shoes instead of her rollerskates.