|"Grim the Genius"|
| Season 1, Episode 15B*|
|Half hour production code:||115B|
|Disney XD airdate||November 2, 2014|
|Disney Junior airdate||March 5, 2015|
|Directed by||Jeff Gordon|
|Story by||Deanna Oliver|
|Written by||Randy Rogel|
|Storyboards by||Kenny Thompkins|
In U.S. Broadcast Order
|← Preceded by|
|Suceeded by →|
"The Enchanted Shoes"
It is the thirtieth episode in the series.
When Grim magically turns into a genius and is successful in his attempt to outwit the 7D and overthrow the queen, Hildy is delighted until she finds that Grim's new-found intelligence makes him less attentive to her.
The Glooms fly to the top of Mount Jollymanjaro where Hildy plans to cast some magic to knock down the castle wall making it easy for them to get in. After giving each other a nose kiss, Hildy summons a storm cloud to bring lighting down on the castle. However when Grim begs her to let him do it, he ends up destroying their house. Hildy becomes fed up with his stupidity and even though Grim says he was just trying to help, she harshly tells him she doesn't need any help from him and flies away on her broomstick. This hurts Grim a lot but admits that Hildy is right; he can't do anything right, so he decides to find a way that will make him smart. With help from the Crystal Ball, he heads to the cottage of the 7D in disguise to meet Doc for help. Doc tells him it takes years to become smart but wanting to gain smartness faster, Doc gives him the Smarty Pants Stone which instantly makes him a genius.
With Grim's new-found intelligence, he organizes everything in the house, mixes a perfect disappearing potion and a beef Wellington to die for. While having dinner, Grim tells Hildy he is going to take over the castle which surprises her, usually it was Hildy who planned to take over the castle.
Turning themselves into skunks, the Glooms stink Queen Delightful and Starchy out of the castle and Hildy happily crowns herself queen. When The 7D tried to take back the castle, Grim always manages to stop them. Hildy is delighted with Grim's smartness until she finds that Grim’s new-found intelligence makes him less attentive to her; he rejects a nose kiss and Hildy's baby talk. Then he replaces her with himself as king, saying he would make a more superior ruler.
The 7D finally get into the castle using their secret tunnels. When Hildy spots Bashful attempting to swipe the Smarty Stone off of Grim she almost warns him but because she misses her old stupid husband, she deliberately says nothing. Bashful swipes the stone and as a result Grim returns to his old goofy self. He tries to get the stone back but Hildy tells him he does not need it and she wants him back. The two happily nose kiss and Grumpy sends them on a second honeymoon, to the moon.
- Someone getting catapulted.
- Doc saying "You ready!" and Happy responding "I'm ready!", which isn't talking to Happy.
- Happy saying "Missed you by that much" after failing to catch someone on a trampeline uot of Doc's hat.
- In "Goldilocks and the 7D", Lord Starchbottom falls off the castle tower and The 7D try to catch him, but miss. The same thing happened in this episode, when Grumpy gets catapulted in the air and Grim conjures up a trampoline sending Grumpy back down to the ground. The rest of the dwarfs try to catch Grumpy but missed.
When the 7D manage to enter the castle after Grim and Hildy take over, the crown on Grim's head disappears for a whole shot.
- April 5, 2015 -- (Disney Channel Asia)
- October 2, 2016 -- (TV5 Philippines)