join-inshow

noun
UK /ˈdʒɔɪn ɪn ʃəʊ/
US /ˈdʒɔɪn ɪn ʃoʊ/

A join-inshow is a fun TV program where everyone can take part.

The kids watched a join-inshow and sang along with the puppets.


OTHER MEANINGS

2. A live event where the crowd helps with the performance.

The circus join-inshow let children try juggling.

3. An online stream where viewers can join in by chatting or voting.

Her join-inshow let fans pick the next song.

4. A school assembly where students act out parts together.

Our class put on a join-inshow about recycling.