Lady & the Tramp
I couldn't find this any smaller on YouTube but... it's about 2:50 that gets me. Tramp has just been taken away in the carriage for the pound. After Jaques and Lucky hear that it was a rat that attacked the baby and not Tramp, they chase after the carriage to try and delay it. If the carriage gets to the pound then Tramp will be destroyed.
I know...I'm a wimp.