|Debut||Blythe's Big Adventure Part Two|
Lefty Silverstein is a recurring character in the series. She is not named in the series, but her name is used in merchandise.
- Blythe's Big Adventure Part Two
- Bad Hair Day (cameo)
- Gailbreak! (cameo)
- Tongue Tied (cameo)
- It's the Pet Fest! - Part 1 (cameo)
- It's the Pet Fest! - Part 2 (cameo)
In February 2014, a toy of Lefty was shown at Toy Fair 2014 as part of the Franchise Re-Invention. She is bundled with Lucky Browne in the We Love to Party! themed pack, which is the source of her name.