7th Heaven - Season 5 Episode 10
Surprise!

Despite the disapproval from the rest of the family and his own hesitations, Eric takes in Marys ex-boyfriend Robbie Palmer (Adam LaVorgna) to live with the Camdens for the night after learning that hes homeless. Matt also shows up unexpectedly after being kicked out of his apartment by John, who needs quality time with his girlfriend. Meanwhile, Mary calls home again and hears Robbies voice on the other end and assumes hes dating Lucy now. Also, John proposes to his girlfriend Priscilla in front of Matt.