Ellen appeared on Episode 4140 of Sesame Street, from the set of her show, to present the word of the day.
- November 9, 2011 - Kermit the Frog appeared to promote The Muppets.
- November 15, 2011 - Amy Adams appeared to promote The Muppets.
- March 11, 2014 - Ricky Gervais appeared to promote 'Muppets Most Wanted.
- March 19, 2014 - Ty Burrell appeared to promote Muppets Most Wanted.
- October 14, 2015 - Cookie Monster appeared to promote the Sesame Street deck for Ellen's Heads Up! app.
- January 10, 2017 - Oscar the Grouch (Eric Jacobson) appeared to promote Season 47 and their "kindness" initiative.
- February 1, 2017 - Count von Count, Elmo and Cookie Monster appeared with 5-year-old Brielle to teach about the science of cookies. (Possibly an online-exclusive video.)
- In late 2009, Aaron Carter and Karina Smirnoff performed their Dancing with the Stars routine to "The Muppet Show Theme" on the show.
- During an appearance by Jim Parsons, clips were shown from his appearance on Sesame Street.
- Ellen presented a birthday cake to Lady Gaga that incorporated Kermit the Frog's face (in reference to the artist's infamous outfits).
- In 2012, during Jason Segel's introduction, Ellen refers to him as "The man who brought back the Muppets, referring to the 2011 film.
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