Wasn't that the name of the show..."cousins....they're two of a kiiiiiiind!" And the cousins were like twins? Think back to Nick at Night.
Hang on and I will google it. Yes, I am right.
Now, these girls are not cousins, but get a load of these jammies.
Ten points if you can see Bob and Dave in the background.
(Thanks, Ab, for sending this picture. It made me smile as soon as I opened it.)