Big Bird Flu/Barney is a parody with Big Bird Flu (Robot Chicken) sounds and Barney and Friends clips.
- Grover as Barney
- Big Bird as BJ
- Elmo as Kathy
- Michael, Min, Tosha, Shawn, Jason, and Julie as Quarantiners
- Aloysius Snuffleupagus as Baby Bop
- Bert as Derek
- Ernie as Tina
- Count von Count as Kenneth
- Cookie Monster as Carlos
[BJ is walking down the street, holding his stomach and looking pale.]
BJ: Oh... I feel like I'm gonna blow chunks of food!
[BJ vomits all over the steps, then collapses. Kathy appears.]
Kathy: Oh no, BJ has the dinosaur flu!
[Quarantiners rush over to BJ. Barney now appears.]
Barney: The Word of the Day is Quarantine. Q-U-A-R-A-N-T-I-N-E. Quarantine.
[In the hospital, BJ is lying in bed. Doctors are examining him.]
BJ: Baby Bop... is that you?
Min: Oh, he must be hallucinating.
Baby Bop: Hi, BJ. I'm so sorry you're sick.
BJ: I'm scared, Baby Bop. Thank God you can't get it since you're not real.
[BJ then dies.]
Baby Bop: Yeah, thank G-.
[Baby Bop dies, then disappears.]
Kenneth: [handing out vaccines to everyone] One vaccine, a-hah-hah! Two vaccines, a-hah-hah!
[Carlos eats the vaccine that the Count gives to him]
[The show cuts to a separate bit]
Kids: One of these kids is not like the others. One of these kids is dead!
Announcer: Today's episode brought to you by the letter C.D.C.