Looking on the internet deeply has found these results:

both of them is the most popular phrase on the web.

the both of them 1260,000 results on the web	both of them 1365,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Jamich. SUPEERRR SWEEEETTTTT!!!!! ? Nakaka teary habang pinapanood namin to! Congrats to the both of them. Great proposal smile emoticon � with 1. Is both of them correct? 2. Are both of them correct? 3. Is the both of them correct? 4. Are the both of them correct? Thank you for your time. May 9, 2011 ... People sometimes do this anyway, such as in the phrase "the both of them", but it's informal. On the other hand, "both the users" is short for�... Sep 17, 2011 ... Comparing just the both of [pronoun] (the both of us, the both of you, the both of them, plus some alternative forms of those pronouns) in the�...	Five Me and the Winchester boys, both of them. That means I've got to find both of them. year employment contract for both of them. Meaning that I could've killed both of them. I can hear both of them. Orders are to get both of them alive. I was really good friends with both of them.

the both of them

1260,000 results on the web

both of them

1365,000,000 results on the web

More popular!

Jamich. SUPEERRR SWEEEETTTTT!!!!! ? Nakaka
teary habang pinapanood namin to! Congrats to the both of them. Great proposal smile emoticon � with
1. Is both of them correct? 2. Are both of them correct? 3. Is the both of them correct? 4. Are the both of them correct? Thank you for your time.
May 9, 2011 ... People sometimes do this anyway, such as in the phrase "the both of them", but it's informal. On the other hand, "both the users" is short for�...
Sep 17, 2011 ... Comparing just the both of [pronoun] (the both of us, the both of you, the both of them, plus some alternative forms of those pronouns) in the�...