Martin's building goes co-op, and to be able to afford purchasing his apartment/condo, he dates Gibby's insane sister.
| Name | Type | Role | |
|---|---|---|---|
| Sara Suzanne Brown | Guest Star | ||
| Larry Miller | Guest Star | ||
| Mindy Sterling | Guest Star | ||
| Iqbal Theba | Guest Star | ||
| Morwenna Banks | Guest Star | ||
| Ron Wolotzky | Director | ||
| Don Woodard | Director | ||
| Tom Maxwell | Director |