The Bananas In Pyjamas Theme is a song that plays at the beginning of each episode.
- B1: Ken Radley
- B2: Nicholas Opoloski
- Morgan: Jeremy Scrivener
- Amy: Mary Ann Henshaw
- Lulu: Monica Trapaga
- Rat: Shane McNamara
- Rob Workman: Keyboards & Programming
- Bruce Whestley: Keyboards & Programming
- Chris Harriott: Keyboards & Programming
Bananas in Pyjamas are coming down the stairs
Bananas in Pyjamas are coming down in pairs
Bananas in Pyjamas are chasing teddy bears
Cause on Tuesdays they all try to catch them unawares.
- The instrumental lullaby version of this song plays during the end credits in the special Singing Time.
- The Wiggles sing this song to promote Bananas in Pyjamas' 25th birthday.
- The original series version of the theme song plays in G-sharp, the revival series of the song plays in G and the Wiggles version plays in C.