1. Introduction
2. Observations and Reductions
3. Finding PNe Within Star Clusters
3.1. Detection of Emission-lines
3.2. The Emission-line Signature
3.3. Associating a PN Candidate with a Star Cluster
4. The Clusters Hosting Emission
4.1. Globular Clusters
4.2. Candidate Globular Clusters
4.3. Young Clusters
5. Discussion
5.1. Expected and Observed Numbers of PN Candidates
5.2. Are Binary Stars Important
5.3. The Luminosities of the Candidates
5.4. The Observational Challenge
6. Conclusions