Includes

Blue's Clues
Bubble Guppies
Dora and Friends
Dora the Explorer
Franklin (audio only)
Franklin and Friends
Go Diego Go
Jack's Big Music Show
Little Bear
Little Bill
Max & Ruby
Mutt & Stuff
Ni Hao KaiLan (Incomplete)
Oswald
Paw Patrol
Peppa Pig
Pocoyo
Shimmer and Shine
The Fresh Beat Band
Wonder Pets
Wow Wow Wubbzy
Yo Gabba Gabba

If you see any other bumpers like these (especially the ones that don't air on Nick Jr no more) please tell me in the comments below.

Special Thanks to
superkeegan9100alt, Devin Williams, cdgngj11 (OLD), and CJ Allen