A temperature of 104 degrees is extremely serious. Anyone burning that high of a fever must be iced immediately and taken to a hospital. At 106 degrees, the brain begins to die.
When the boys were on the roof and away from Lois, why didn't Lois just use a ladder to grab them? The boys used a ladder to get on the roof.
When they didn't go to school, wouldn't the school call to see what was up since they probably skipped before?
Lois has a fever of 104 degrees.
When Malcolm is walking on the roof, it's clear that he's played by a stuntman and not Frankie Muniz.
Malcolm: Mom said you ratted on us about Dewey's bike. But she's probably just mixed up, right? Because you're our big brother and you wouldn't do something like that... Francis?
Francis: You don't know what kind of pressure I was under. I...
Malcolm: (shouts) You butt-wipe! How could you?
Malcolm (to Richie): Look, you can burn the house if you want to, or you can just escape like the monosyllabic monkey I know you are.
Francis (on phone): What did Malcolm say?
Richie: He said a lot of things, but basically we have to tear up the house.
Malcolm: I did the smartest thing, I gave it to Dewey.
Dewey: And I hid it under Mom's pillow.
Malcolm: You what?!
(scene skips to Lois looking at the letter and shocked)
Dewey: What's your favorite color?
Lois: For the third time... green.
Reese: I'm really adopted, aren't I?
Lois: No, you're ours, and we love you.
Reese: (acts like a ghost) Woooooooo, this is all a dream.
Lois: SHUT UP, REESE!
This episode originally aired as part of a Fox promotion called "The Mother of all Sundays", featuring episodes about mothers.
The Line-up consisted of
Futurama "Mother's Day" - A story about Mom, the creator of all robots.
King of the Hill "Transnational Amusments Presents: Peggy's Magic Sex Feet"- A sleezy man puts Peggy's feet on the internet.
Simpsons "It's a Mad, Mad, Mad, Mad, Marge" - Marge thinks Otto's ex-girlfriend is trying to take her place in the family.
Malcolm in the Middle "Smunday" - A high fever makes Lois think Monday is actually Sunday
Cold Open: Malcolm uses the old "finger in water" camping trick to make Reese think he wet the bed.
"The Spiraling Shape" by They Might Be Giants
Herbie makes a comeback, this time as a Herbie alarm clock.