Hey Arnold! - Season 5 - Eps 16: Summer Love (a.k.a. Beach Story)
When Arnold, the boarders and the Patakis go to the beach, a girl uses Arnold to win a sandcastle competition. Ernie gets buried in the sand. Miriam and Suzie start taking dancing lessons. Grandpa thinks he's stuck on an island. Oscar starts using a metal detector to find ""treasure."" Big Bob gets a bad sunburn. Helga tries to warn Arnold that he's just being used.
About Hey Arnold!

Title: Hey Arnold!
First Air Date: 1996-10-07
Last Air Date: 2004-06-08
Status: Ended
Rating: 8/10 (from 918 votes)
Language: EN
Seasons: 6
Total Episodes: 186
Network: Nickelodeon
Genres: Family, Animation, Comedy, Kids
Production Companies: Snee-Oosh Productions, Nicktoons Productions, Nubian Nights Worldwide, Games Animation, Nickelodeon Productions
Synopsis
The daily life of Arnold--a fourth-grader with a wild imagination, street smarts and a head shaped like a football.
Cast

Spencer Klein
Arnold (voice)

Francesca Marie Smith
Helga Pataki (voice)

Jamil Walker Smith
Gerald Johanssen (voice)

Olivia Hack
Rhonda Wellington Lloyd (voice)

Anndi McAfee
Phoebe Heyerdahl (voice)

Justin Shenkarow
Harold Berman (voice)

Blake McIver Ewing
Eugene Horowitz (voice)

Dan Castellaneta
Grandpa Phil (voice)