Millie and Molly are sisters who appeared in a number of animated segments on Sesame Street. They first appeared in season 10.

Segments

Picture Theme / EKA Description
MillieMollyBookshelf
Bookshelf
Episode 1287
Millie and Molly have too many books lying around, so they build a bookshelf to store them.
OohDanny!
Rock Star
Episode 1388
Milly and Molly fawn over a picture of Danny, their favorite rock singer. They can't decide where to hang it, so they cover the wall with photos instead.
MillieMollywalk
Imagination
Episode 1454
Molly imagines her surroundings as various items, while Millie only sees them for what they really are. When Millie finds a real quarter and Molly wants one, Millie tells her to use her imagination.
MillieMollyTurtle
Pets
Episode 2003
Millie and Molly argue over whether to get a pet cat or a dog, so their mom gets them a turtle instead.