List of D'ohs

Season	Episode number	Episode name	Reason for saying
1	1	"Simpsons Roasting on an Open Fire"	Upon discovering that the extension cord for the Christmas lights is tangled.
			After Bart pulls the fake beard off his Santa suit.
			When he bangs his head on the door frame of Santa's Workshop.
	2	"Bart the Genius"	When Bart says "You think I'm dumb enough to fall for that" when Homer is trying to coax him out of his room.
	4	"There's No Disgrace Like Home"	While the kids are misbehaving at the company picnic.
			After a ball hits him in the back of the head.
			Upon discovering that he has crushed the flowers in his own front garden.
			In response to Marge's suggestion that he family move to a bigger community , after Homer identifies them as the worst family in town.
	5	"Bart the General"	After Lisa snatches a cupcake away from him.
			Twice, as he is pelted with water balloons.
	6	"Moaning Lisa"	When, after looking all over the house for his keys, he finds that they are in the door.
			While getting beaten up by Bart in Super Slugfest.
			During a nightmare in which Bart beats him up
	7	"The Call of the Simpsons"	After his own echo tells him to shut up.
			When, after lamenting about Bart's death, he finds that Bart is alive.
			Twice, after tasting a mouthful of bee-laden honey.
	8	"The Telltale Head"	As he watches a football game before going to church.
			When a player fumbles.
	9	"Life on the Fast Lane"	When he finds out that Patty and Selma are coming round for dinner.
	10	"Homer's Night Out"	When his lottery numbers are not picked.
			When he discovers a picture of him and Princess Kashmir is on display at Moe's Tavern.
	11	"The Crepes of Wrath"	After he falls and is unable to get back up.
	12	"Krusty Gets Busted"	After Marge tells him Patty and Selma are coming over.
			After a video tape depicting him as a coward is shown in court.
2	14	"Bart Gets an F"	When Bart's vision returns and he asks for a TV in his room.
	15	"Simpson and Delilah"	When he realizes that he is out of tartar sauce.
			After Carl calls him "chrome dome".
			After Smithers tells him he has to deliver his speech in five minutes.
	17	"Two Cars in Every Garage and Three Eyes on Every Fish"	When Marge tells him her plans for the evening.
	18	"Dancin' Homer"	When Marge says he can't "wave [his] fanny" in public while sitting next to Mr. Burns.
			When he falls into the dugout.
	19	"Dead Putting Society"	When he realizes he is out of Duff Beer.
			As his golf ball bounces out of the park.
			When Bart names his putter "Mr. Putter".
			When Ned Flanders sees Bart meditating with his putter.
			When his "'fraid not infinity" is beaten by Flander's "'fraid not infinity plus one".
			When he realizes that Flanders is not humiliated by having to wear his wife's best dress.
	20	"Bart vs. Thanksgiving"	When he realizes that Patty and Selma are at the door.
			After Patty and Selma comment that even a caveman could start a fire, as he struggles to light the logs in the fireplace.
			As Lisa plays her saxophone loudly.