Paddington's voice is discovered by a famous diva who is thrilled that she has found a new talent to mold. She will present him at the opening of her new opera. The composition that became known as the Paddington Bear theme was composed by Herbert Chappell and began life as incidental music for the 1972 BBC adaptation of Lord Peter Wimsey. Its first commercial release was on the b-side of the Lord Peter Wimsey theme single in 1972, where it was titled "Size Ten Shuffle" and credited to "Boyfriends". [6] This recording - which is not the one actually featured in Paddington - has since appeared on several TV theme compilation albums. [7] Mr. Curry takes advantage of Paddington's gardening skills in the hopes to win a best-garden contest, and despite a mishap with Curry's lawnmower both ended up winning first-prize.

On his other birthday, Paddington develops an interest in magic and gets himself a magic set, where he later attempts to put on a show with it. Paddington decides to do things himself after Curry tells him about it, but when putting the words into action, Paddington does more harm than good. In Paris, Paddington gets involved in a Tour de France bike race. He wins, making the Castille Village famous. On a tour in an Irish castle, Paddington and Mr. Gruber help a youngling to rekindle her fascination of the old Leprechaun stories. Paddington goes on an outing with Mr. Gruber, and is mistaken for one of the statues in the museum.

Paddington helps Mr. Gruber ready a vintage steam car but requires the aid of Muscles Galore after accidentally breaking it.

After developing a liking for art Paddington and Mr. Curry accidentally mess up Henry's painting for an art contest, though it went better than expected (except for Mr. Curry). Paddington unknowingly starts a new gold rush when he finds a nugget while panning for gold. It turns out the nugget is the gold tooth that fell out of Mr. Gruber's mouth, but when the truth is discovered, gold fever is out of control. Paddington's old school invites the Browns to a special rugby match against a team from Peru. Paddington finds his loyalties are divided until the Peruvian team is one man short. Paddington gets in the scrum and soon helps tie the game—thanks to a little help from his Aunt Lucy, who is in England on a surprise visit. The Browns decide to go punting, but disaster strikes when Paddington is put in charge of the pole. After some cooking went wrong Paddington gets his limbs and chest glued together, Mrs. Bird and Mrs. Brown resort to taking him to the hospital where Paddington is successfully freed from his trapped pose, even though it costs him all the fur on his belly.Mr. and Mrs. Brown are ill in bed, and the rest of the family are away, which means that the only person in charge of running the house is Paddington. Paddington and Mr. Gruber enroll in a military school, and are rewarded for catching a pair of burglars. Paddington and Mr. Gruber are on a cruise and unknown to Paddington his adopted-parents and Mrs. Bird were secretly on board as well (which Paddington initially thought to be a mirage).