Happy Anniversary from Everyone at Bennigan's

Happy Anniversary from Everyone at Bennigan's is a song from the Season Five episode, "Butters' Very Own Episode".

Background
Butters' survived the attempted drowning by his mother an floats down a river until the auto stops on the riverbank. Butters then finds his way to the road and is picked up by a passing commercial truck driver. Butters tells the truck driver about his planned anniversary dinner at the Bennigan's restaurant with a dream sequence of the wait staff singing the anniversary song to his family. The truck driver is so annoyed he kicks Butters out of his truck.

Lyrics
Happy, Happy Anniversary from everyone at Bennigan's Happy, Happy Anniversary-eh from everyone at Bennigan's Happy, Happy Anniversary from everyone at Bennigan's