The great muppet caper

Add Charles Grodin to the List of People Who Are Pretending the Muppets are Real
Add Charles Grodin to the List of People Who Are Pretending the Muppets are Real
Is 'The Muppets' Mahna Mahna? (and 24 Other Urgent Mahna Mahnas)
Is 'The Muppets' Mahna Mahna? (and 24 Other Urgent Mahna Mahnas)
20 Things You Might Not Know About the Muppets' Movies
20 Things You Might Not Know About the Muppets' Movies