|Series 03, Episode 05|
|Air Date|| Welsh: October 16, 1990|
English: November 12, 1990
Australian: March 13, 1992
|Next||All in a Good Cause|
Lost Ring is the fifth episode of Series 3.
Bella is very happy about the diamond ring she has inherited, until it goes missing.
- Fireman Sam
- Elvis Cridlington
- Penny Morris
- Sarah and James
- Bella Lasagne
- Trevor Evans
- Dilys Price
- Norman Price
- Station Officer Steele (mentioned)
- Stock footage from Telly Trouble and Thief in Pontypandy is used.
- The water that sprays from the pipe and which is then washed down the drain is really cling film.