All four characters are in separate fantasies of J. Emeril and Elmo's Healthy Start was a special featuring Elmo and Emeril Lagasse that aired on November 4, 2005 at 8 p.m.as part of the Food Network's second annual "Cook With Your Kids Week".
In that episode, Elmo receives a medical checkup from Abbey Bartlet, the First Lady (who is making a guest appearance on Sesame Street), and cheekily questions her about the validity of her medical license.
Elmo also appeared in the eighth season episode of Scrubs, My ABC's, along with Oscar the Grouch, Grover, and an Anything Muppet named "Ex Ray". Duke Cunningham, he testified before the House Appropriations Subcommittee on Labor, Health and Human Services and Education in April 2002, urging support for increased funding in music education.
Kevin Clash, 52, has taken a leave of absence from the popular children's show after the programme's lawyers were contacted by a 23-year-old man who claims he had a sexual relationship with the puppeteer seven years ago, when he was aged 16.
Iconic: Kevin Clash, left, who has voiced Elmo for two decades, arrives at the 35th International Emmy Awards in 2007.
The special was produced in conjunction with Sesame Workshop's Healthy Habits for Life program. In the 2003 Pixar movie Finding Nemo, one of the names Dory calls Nemo is "Elmo".
Elmo has also made many appearances on The Simpsons.
Fans of Sesame Street have complained that Elmo's prominent status has caused roles to be greatly reduced for some older characters, such as Oscar the Grouch, Big Bird, Count von Count, Prairie Dawn, Grover, and Cookie Monster.
Some fans also blame Elmo for the permanent departure of Kermit the Frog from Sesame Street.
It is unclear why Mr Clash wanted a leave of absence, since he denies the allegations of underage sex, but the programme told TMZ it was to allow him to defend his reputation in the wake of the damaging allegations.