diff --git a/stubs/redis/redis/client.pyi b/stubs/redis/redis/client.pyi
index 2815b741d..ab924f005 100644
--- a/stubs/redis/redis/client.pyi
+++ b/stubs/redis/redis/client.pyi
@@ -586,21 +586,24 @@ class Redis(Generic[_StrType]):
     def zscan_iter(self, name, match=..., count=..., score_cast_func=...): ...
     def sadd(self, name: _Key, *values: _Value) -> int: ...
     def scard(self, name: _Key) -> int: ...
-    def sdiff(self, keys, *args): ...
-    def sdiffstore(self, dest, keys, *args): ...
-    def sinter(self, keys: _Key, *args: _Key) -> Set[_Value]: ...
-    def sinterstore(self, dest, keys, *args): ...
+    def sdiff(self, keys: Union[_Key, Iterable[_Key]], *args: _Key) -> Set[_Value]: ...
+    def sdiffstore(self, dest: _Key, keys: Union[_Key, Iterable[_Key]], *args: _Key) -> int: ...
+    def sinter(self, keys: Union[_Key, Iterable[_Key]], *args: _Key) -> Set[_Value]: ...
+    def sinterstore(self, dest: _Key, keys: Union[_Key, Iterable[_Key]], *args: _Key) -> int: ...
     def sismember(self, name: _Key, value: _Value) -> bool: ...
     def smembers(self, name: _Key) -> Set[_StrType]: ...
-    def smove(self, src, dst, value): ...
-    def spop(self, name, count: Optional[int] = ...): ...
+    def smove(self, src: _Key, dst: _Key, value: _Value) -> bool: ...
+    @overload
+    def spop(self, name: _Key, count: None = ...) -> Optional[_Value]: ...
+    @overload
+    def spop(self, name: _Key, count: int) -> List[_Value]: ...
     @overload
     def srandmember(self, name: _Key, number: None = ...) -> Optional[_Value]: ...
     @overload
     def srandmember(self, name: _Key, number: int) -> List[_Value]: ...
     def srem(self, name: _Key, *values: _Value) -> int: ...
-    def sunion(self, keys, *args): ...
-    def sunionstore(self, dest, keys, *args): ...
+    def sunion(self, keys: Union[_Key, Iterable[_Key]], *args: _Key) -> Set[_Value]: ...
+    def sunionstore(self, dest: _Key, keys: Union[_Key, Iterable[_Key]], *args: _Key) -> int: ...
     def xack(self, name, groupname, *ids): ...
     def xadd(self, name, fields, id=..., maxlen=..., approximate=...): ...
     def xclaim(
@@ -1006,18 +1009,18 @@ class Pipeline(Redis):
     def zscan_iter(self, name, match=..., count=..., score_cast_func=...) -> Iterator[Any]: ...
     def sadd(self, name: _Key, *values: _Value) -> Pipeline: ...  # type: ignore [override]
     def scard(self, name: _Key) -> Pipeline: ...  # type: ignore [override]
-    def sdiff(self, keys, *args) -> Pipeline: ...  # type: ignore [override]
-    def sdiffstore(self, dest, keys, *args) -> Pipeline: ...  # type: ignore [override]
-    def sinter(self, keys: _Key, *args: _Key) -> Pipeline: ...  # type: ignore [override]
-    def sinterstore(self, dest, keys, *args) -> Pipeline: ...  # type: ignore [override]
+    def sdiff(self, keys: Union[_Key, Iterable[_Key]], *args: _Key) -> Pipeline: ...  # type: ignore [override]
+    def sdiffstore(self, dest: _Key, keys: Union[_Key, Iterable[_Key]], *args: _Key) -> Pipeline: ...  # type: ignore [override]
+    def sinter(self, keys: Union[_Key, Iterable[_Key]], *args: _Key) -> Pipeline: ...  # type: ignore [override]
+    def sinterstore(self, dest: _Key, keys: Union[_Key, Iterable[_Key]], *args: _Key) -> Pipeline: ...  # type: ignore [override]
     def sismember(self, name: _Key, value: _Value) -> Pipeline: ...  # type: ignore [override]
     def smembers(self, name: _Key) -> Pipeline: ...  # type: ignore [override]
-    def smove(self, src, dst, value) -> Pipeline: ...  # type: ignore [override]
-    def spop(self, name, count: Optional[int] = ...) -> Pipeline: ...  # type: ignore [override]
+    def smove(self, src: _Key, dst: _Key, value: _Value) -> Pipeline: ...  # type: ignore [override]
+    def spop(self, name: _Key, count: Optional[int] = ...) -> Pipeline: ...  # type: ignore [override]
     def srandmember(self, name: _Key, number: Optional[int] = ...) -> Pipeline: ...  # type: ignore [override]
     def srem(self, name: _Key, *values: _Value) -> Pipeline: ...  # type: ignore [override]
-    def sunion(self, keys, *args) -> Pipeline: ...  # type: ignore [override]
-    def sunionstore(self, dest, keys, *args) -> Pipeline: ...  # type: ignore [override]
+    def sunion(self, keys: Union[_Key, Iterable[_Key]], *args: _Key) -> Pipeline: ...  # type: ignore [override]
+    def sunionstore(self, dest: _Key, keys: Union[_Key, Iterable[_Key]], *args: _Key) -> Pipeline: ...  # type: ignore [override]
     def xack(self, name, groupname, *ids) -> Pipeline: ...  # type: ignore [override]
     def xadd(self, name, fields, id=..., maxlen=..., approximate=...) -> Pipeline: ...  # type: ignore [override]
     def xclaim(