Bert and Ernie's Great Adventures, originally promoted as The Adventures of Bert and Ernie, is a claymation animated children's television series and segment on Sesame Street in which Bert and Ernie use their imaginations to travel to faraway places. The series is produced by Sesame Workshop in co-production with Misseri Studio, Norddeutscher Rundfunk and Channel 5 Broadcasting Limited, and aired from August 2008 to December 2010, with two seasons and 52 episodes.

The shorts air in the United States as inserts on Sesame Street beginning with season 39 and internationally as a standalone series in various overseas markets, with the first season debuting in September 2008. The episode "Secret Agents" won the Gold Award in the Children's Animation category at the 2009 World Media Festival, and the series was a nominee at the 2009 Annecy Animation Festival.