1x09: Future Tense
1x08: Fire in the Hole
1x05: Stitcher in the Rye
1x03: Connections
1x01: A Stitch in Time
4x10: Munchkins
4x09: The Day After
4x07: Travel Agents
4x06: The Rat
4x05: Clark's Place
4x04: Chloramphenicol
4x02: Pastor Tim
4x01: Glanders
