This is a SpongeKid SlightPants: Lunch Hour episode.
Plot[]
SpongeBob sees Sandy's new pink coat and makes a complete fool of himself.
Transcript[]
(SpongeBob comes across Sandy)
SpongeBob: Hello.
Sandy: Howdy, SpongeBob.
SpongeBob: So, yeah, I talked to-(sees Sandy's new coat, and goes motionless.)
Sandy: You okay, SpongeBob?
SpongeBob: ...your...new...coat...
Sandy: What about it?
SpongeBob: ...it's...it's...(Patrick comes and knocks SpongeBob over. Sandy is shocked)
Patrick: PINK!!!!!
THE END