Season 12 Episodes
1. Jeffy The Rapper 2
Jeffy has to make a rap song to win a contest!
2. Bowser Junior's Allergy!
Bowser Junior is allergic to something!
3. Zombie Bowser!
Bowser eats a rotten cheeseburger!
4. Robot Jeffy
Jeffy doesn't want to go to detention.
5. Jeffy's Pokemon Card!
Jeffy has a "rare Pokemon card", and Junior wants it!
6. Jeffy's Nightmare!
Jeffy has a nightmare and wants Mario to fix it!
7. Fountain Of Youth!
Bowser wants to be young again.
8. Jeffy's Taco Tuesday!
Junior, Cody, and Jeffy want Tacos!
9. Cody The Vampire!
Bowser Junior and Joseph think Cody is a vampire!
10. Jeffy's YouTube Channel!
Mario wants to make millions of dollars so he makes Jeffy a YouTube channel!
11. Sicken
Junior is sick with the flu and Cody doesn't want Ken to catch it!
12. Jeffy's Wifi Problem!
Jeffy wants the password for the wifi! But Mario won't give it to him until he has finished his chores!
13. Jeffy Loses His Arms!
Jeffy can't find his arms!
14. The Competition!
Mario and Bowser have a competition to see whose son is better!
15. Jeffy's Clone!
Jeffy has a Clone!
16. Cody's 10th Birthday!
It's Cody's 10th birthday!
17. Jeffy's Paper Shredder!
Mario gives Jeffy a Paper Shredder!
18. Jeffy Gets Expelled!
It is Saint Patricks Day and Jeffy gets expelled after getting into a fight!
19. Finders Keepers!
Bowser Junior and his friends find a stack of money outside!
20. Jeffy Gets Glasses!
Jeffy gets glasses because he can’t see!
21. The Fortune Cookies!
Junior finds Fortune Cookies!
22. Jeffy's BIG Easter!
Jeffy has a BIG EASTER!
23. Black Yoshi's Job Interview!
Mario is making Black Yoshi get a job!
24. Jeffy Plays Fortnite!
Jeffy plays Fortnite!
25. Hide and Seek!
Chef Pee Pee wants to hide from Junior and Bowser!
26. Jeffy Gets A Cavity!
Jeffy gets a cavity on his Tooth!
27. The Rings!
Mario kicks Black Yoshi out of his house.
28. Cody's Mistake!
Cody goes to the beach!
29. Jeffy Plays Baseball!
Jeffy plays Baseball with Mario, then Goodman comes!
30. Cody's Parent Problem
Cody's parents are in trouble.
31. Jeffy's Energy Drink!
Jeffy drinks an energy drink!
32. Bowser Junior Almost Goes to Sleep Forever!
Bowser Junior almost dies while choking on a Jolly Rancher!
33. Jeffy's Sleepover!
Jeffy has a sleepover!
34. Bowser Junior Gets Jinxed!
Bowser Junior gets jinxed and can't talk until someone says his name!
35. Fat Jeffy
Jeffy gets fat because he won't eat his Vegetables.
36. Bowser Junior's Daddy Problem!
Joseph starts hanging out with Bowser and Junior gets jealous.
37. Jeffy's Switcheroo!
Jeffy and Mario switch!
38. Jeffy's Summer School
Jeffy has to do summer school at home since he failed!
39. Chef Pee Pee's New Job!
Chef Pee Pee is tired of working for Bowser! He wants to work for Mr. Goodman!
40. Bowser Junior's Bad News!
Bowser Junior gets some bad news! Toys "R" Us has gone out of business!
41. Cody's Favorite Game
Cody shows his Favorite Game
42. Jeffy Gets a Job!
Jeffy wants the new Fortnite battle pass! so he has to get a job to be able to buy it!
43. Bowser Junior's Bodyguard!
Bowser gets Junior a bodyguard!
44. Bowser's Mistake!
Bowser accidentally sends a bad picture to EVERYONE!
45. The Watch!
Goodman loses his watch at Mario's house!
46. Chef Pee Pee's Restaurant!
Chef Pee Pee is tired of working for Bowser! so he decides to open up his own restaurant!
47. Jeffy Gets Chicken Pox!
Jeffy gets chicken pox!
48. Jeffy's Sister Returns!
Jeffy had a sister!
49. The Date!
Brooklyn Guy goes on a date!
50. Jeffy's Birthday Surprise!
It is Jeffy's 14th birthday! The same birthday as Brooklyn T. Guy!
51. Cody's Handcuffs!
Cody gets revenge on Junior for losing Ken.
52. The Switch!
Bowser Junior and Chef Pee Pee switch positions for a day! kinda.
53. Jeffy's New Shoes!
Jeffy gets new shoes!
54. Jeffy's Drivers License!
Jeffy gets his drivers license!
55. Bowser Junior's Walkie Talkie!
Bowser Junior gets a walkie talkie!
56. The Teleportation Machine!
Cody creates a teleportation machine because he is tired of walking to Junior's house!
57. Black Yoshi's Call Of Duty Loan!
Black Yoshi wants the NEW Call Of Duty, so he gets a loan!
58. Jeffy Gets Hypnotized!
Jeffy needs to be a good boy! So Mario hypnotizes Jeffy to be good!
59. The Costume Contest!
Craig wants to have a costume contest!
60. The Movie Date!
Brooklyn Guy goes on a movie date with Sparkle!
61. The Asteroid!
An asteroid is heading towards Earth!
62. Jeffy's Bad Dog!
Jeffy's Dog is bad
63. Ghost Jeffy!
Jeffy is a ghost and Mario needs Luigi's help to save him!
64. Bowser Junior's 10th Birthday!
It is Bowser Junior's 10th birthday!
65. Jeffy's Coma!
Mario needs Shrek's help to save Jeffy!
66. Jeffy's Lunch Money!
Black Yoshi sees that Mario gives Jeffy lunch money and he wants some!
67. Jeffy's Biggest Fear!
Jeffy's Biggest Fear!
68. How Black Yoshi Stole Christmas!
Black Yoshi wants to take Christmas gifts!
69. Chef Pee Pee Pees Peas
Chef Pee Pee is really sick!
