S7E11: Viva Mars Vegas
Where is that rat?
DR. ZOIDBERG: Zoidberg's not here.
All right, but if you see him, give him one of these... (DR. ZOIDBERG GROANS) And one of these, and not one of these. (DR. ZOIDBERG GROANING) Come on, Clamps, let's go, and watch out,
there's some sort of smelly air pocket over here.