Sandi takes a look at tubes and tubas in a totally tubular show with Bridget Christie, Sara Pascoe, Deborah Frances White and Alan Davies.
| Name | Type | Role | |
|---|---|---|---|
| Sandi Toksvig | Host | ||
| Sara Pascoe | Guest Star | ||
| Deborah Frances-White | Guest Star | ||
| Alan Davies | Guest Star | ||
| Bridget Christie | Guest Star |