Watch: Jimmy Fallon and the cast of 'Parks and Rec' tweak 'Glee'
'Late Night' has fun with 'Glee,' with some song and dance hilarity
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In Thursday's installment, as the "Late Night" staffers prepared for sectionals, they were shocked to discover that the cast of NBC's "Parks and Recreation" had formed its own glee club and that they'd gotten some high profile musical assistance.
Check out the rather funny clip: