This one would be your perfect choice not only to practise some English but also to get more realistic of what happens when you’re not at home, at least if you have a pet.
Even though it’s a cartoon, the events often remind of a thriller or an action film, which adds to the characters using some informal and highly emotional language.
If you focus on words directly connected with animal life, there are plenty for you to choose from, e.g. a rodent, a hawk, a stray, play fetch, a leash, and a dog from the pound.
At the same time, you can enrich your vocabulary with some of these: institute some ground rules, bore somebody to death, have a screw loose, old school, and flip out.