"Dr. Jingleheimer" is the first segment of the thirty-fourth episode of The 7D. It premiered on May 14, 2016 alongside "The Enchanted Forest Ranger", and is the first segment of the tenth episode in the second season.
Doc is captured by Dr. Jingleheimer and it's up to Happy and Grumpy to rescue him.
- Bill Farmer as Doc
- Maurice LaMarche as Grumpy
- Kevin Michael Richardson as Happy
- Dee Bradley Baker as Dopey
- Scott Menville as Sneezy
- Stephen Stanton as Sleepy
- Billy West as Bashful, Bingo
- Paul Rugg as Dr. Jingleheimer