Malcolm in the Middle
A full list of special holiday episodes
A dysfunctional family with four unruly boys navigate life and growing up in this clever and irreverent sitcom.
The show aired 3 Christmas episodes, 1 Thanksgiving episode, and 2 Halloween episodes.
Christmas episodes:

Season 3, Episode 7
Christmas
The Wilkerson family Christmas is in chaos as the boys misbehave, and Lois holds Christmas hostage in the garage. Meanwhile, Francis visits his grandmother in Canada, who has no Christmas spirit left.

Season 5, Episode 7
Christmas Trees
Hal and the boys compete with the local church over Christmas tree prices during the holiday season.

Season 6, Episode 6
Hal's Christmas Gift
Hal and Lois go for handmade Christmas gifts due to their financial situation, but Hal is embarrassed when he sees the boys' high-quality and thoughtful gifts, making him panic about his own shoddy attempt.
Thanksgiving episodes:

Season 5, Episode 4
Thanksgiving
Reese enlists Hal and Dewey to help with the cooking, and Francis and Piama are at odds. Meanwhile, Malcolm attends a party at Kirsten's house and declares it the best Thanksgiving ever.
Halloween episodes:

Season 2, Episode 2
Halloween Approximately
Francis is late for Halloween, but he and his brothers still manage to pull off the ultimate prank. Meanwhile, Hal becomes obsessed with catching a speeder and ends up stealing the culprit's car with Lois.

Season 7, Episode 4
Halloween
Reese and Malcolm learn about a murder that took place in their house and Hal is terrified of ghosts. Meanwhile, Reese and Dewey take Jamie trick or treating and make an enemy, and Lois gets stuck at work because of a shoplifter.