"Has Anybody Seen My Dog?" is a song by Grover and Marty, which appeared on a number of Sesame Street albums in the early 70s. In the song, when Grover tries to find Marty's dog, he instead brings him other animals including a cat, pig, fish, monkey, and a rabbit. In the album version, he brings him a cat, lamb, pig, cow, and a duck. Oscar the Grouch performed a variation of the song in a season 4 episode (later repeated as a season 6 episode) having lost Slimey the Worm.