No... They adopt him because the adoption agent (Gilbvert Gottfried) tells them he is wonderful because the nuns no longer can deal with him.....
After getting into his new house John Ritters Wife in the movie begins to hate him while junior grows on John Ritters Charecter.... After hearing Junior was getting out the "bow Tie Killer" Who thinks junior is a fellow criminal from the jail like way he described the orphanage... The "
bow tie killer" then breaks out of Jail to see junior and kidnaps him (although Junior goes mostly willingly).... John Ritter and his wife then chase after them to a circus where John Ritters Charecter is talking to the "bow tie killer" when the killer makes a run for it.... Junior and John Ritters Charecter then chase after him until the police catch him and the wife falls into a truck full of pigs after being put in a sack in the trunk of the "bow tie Killers" car...
Junior wears the bow tie in recognition of the "bow tie killer"