Chat with our AI personalities
They was no episode of The Simpsons with Chelsea. Chelsea FC simply were represented as Simpsons characters as promotion for the Simpsons 25th anniversary.
There was a Celebrity Version of Sesame Street's Monster in the Mirror on YouTube. Some of the Sesame Street characters appeared on The Simpsons, including Elmo. There was also a part of one of the christmas episodes of The Simpsons where the Simpsons characters are puppets.
The same as they are today.
The Simpsons' family and friends/neighbors
Do a Google Image Search of Bart Simpson