Knock knock! Ernie’s got some very silly jokes to share with Bert. What’s your favorite silly joke? Bert and Ernie | Sesame Street

The introduction of Bert and Ernie from the first episode of Sesame Street, 1969 Although they had appeared during the test pilots done several months earlier, by this time Jim and Frank had practically perfected the characters mannerisms and voices that viewers would come to love for 56 years and counting. Also peep Frank Oz accidentally getting into frame. | Muppet History

Some days you’re Ernie Some days you’re Bert | Muppet History