[Decepticon Bumblebee]
[Past Bumblebee(Transformers Animated)]
[Future Bumblebee(Robots in disguise)]
[Present Bumblebee(Prime)]

Future Bumblebee: You were stabbed. Do you remember anything?

Decepticon Bumblebee: Only the ambulance ride, to Ratchet

Present Bumblebee: *buzzing* that wasn't a ambulance, I ran you here

Decepticon Bumblebee: but I heard a siren

Future Bumblebee: that was past Bumblebee screaming

Past Bumblebee: I'm sorry, I got nervous