[rab] No. Take the waaaaah-waaaaah nice and slow.

[penelope] You're right, it's Bergerac.

[Kim] Slow waaaah-waaah leads me to Blake's 7, but I can't quite make the rest fit!

I think we need some clues. Another bit of mine goes:
Daa daaaa, da da-da-da daaaaaa, da daa daaaa, da da-da-da daaaaaaa,
da daaaa, da da-da-da daa daaaa, da daa daaaa, da DA-DA-DA DAAAAAAA.

[Raak] I think it's Star Trek (original series).