Nelly & César theme song

The theme song to Nelly & César plays at the start of each episode.

French

 * Singer: Pakita

Mais qui arrive dans le jardin ? Coucou, les amis, ça va bien ? Bonjour, Léo, Fred et Mina Trois, quatre, cinq, tout le monde est là!
 * -|Lyrics=

Nelly, César! César, Nelly!

Un plus un égale deux amis, Un plus un égale deux amis!

Nelly, César! César, Nelly!

Deux amis, deux amis pour la vie, Deux amis, deux amis pour la vie!

Arabic

 * Singer: ?

Croatian

 * Singer: ?

Czech

 * Singer: ?

Only a fragment of the opening theme is available online.

Udívej, kdo si přišel hrát, veselým dětem za [vás]
 * -|Lyrics=

Dutch

 * Singer: ?

English

 * Singer: Sonja Ball

Look in the yard who's come to play Yoo-hoo, friends, hip, hip, hurray! Leo, Fred, and Mina too Here to play with you-know-who!
 * -|Lyrics=

Nelly and Caesar! Caesar and Nelly!

The best of best friends anywhere, The best of best friends anywhere!

Nelly and Caesar! Caesar and Nelly!

They will be best of friends for all time, They will be best of friends for all time!

Finnish

 * Singer: ?

German

 * Singer: ?

Japanese

 * Singer: Rica Matsumoto

みんなが あいに やってきた こんにちは うれしいな フレッド ミーナ レオ！ いっしょに あそぼう
 * -|Lyrics=

ネリー セザール セザール ネリー

いつでも ともだち どこでも なかよし

ネリー セザール セザール ネリー

これからも ともだち ずっとずっと なかよし Everyone has come to meet up Hello, happy Fred, Mina, and Leo! Let’s play together
 * -|Translation=

Nelly, Caesar Caesar, Nelly

Friends whenever Friendly wherever

Nelly, Caesar Caesar, Nelly

Friends from now on Friendly forever and ever

Mandarin

 * Singer: ?

Portuguese (Portugal)

 * Singer: ?

Turkish

 * Singer: ?