diff --git a/.changeset/tidy-invalid-dates.md b/.changeset/tidy-invalid-dates.md
new file mode 100644
index 0000000000..c861c9eae2
--- /dev/null
+++ b/.changeset/tidy-invalid-dates.md
@@ -0,0 +1,5 @@
+---
+"@hyperdx/common-utils": patch
+---
+
+Skip metadata key/value rollup queries when the date range contains an Invalid Date instead of binding NaN timestamps as ClickHouse `Int64` params, which failed with `BAD_QUERY_PARAMETER` (457).
\ No newline at end of file
diff --git a/packages/app/src/timeQuery.ts b/packages/app/src/timeQuery.ts
index d2b80446f8..ce35ce04c9 100644
--- a/packages/app/src/timeQuery.ts
+++ b/packages/app/src/timeQuery.ts
@@ -17,7 +17,7 @@ import {
   subMilliseconds,
 } from 'date-fns';
 import {
-  parseAsFloat,
+  createParser,
   parseAsString,
   useQueryState,
   useQueryStates,
@@ -408,10 +408,27 @@ const getRelativeInterval = (start: Date, end: Date): string | undefined => {
   return `Past ${durationStr}`;
 };
 
-// This needs to be a stable reference to prevent rerenders
+// `Date`'s own valid range is roughly ±8.64e15ms. nuqs's parseAsFloat only
+// rejects NaN, so a URL from/to like `1e400` parses as Infinity (not NaN)
+// and survives, later producing `new Date(Infinity)` = Invalid Date, which
+// flows into metadata rollup queries as a "nan" ClickHouse Int64 param
+// (#2933). Reject anything outside Date's valid range at the source.
+const MAX_VALID_EPOCH_MS = 8_640_000_000_000_000;
+
+const parseAsValidEpochMs = createParser({
+  parse: (v) => {
+    const float = parseFloat(v);
+    if (!Number.isFinite(float) || Math.abs(float) > MAX_VALID_EPOCH_MS) {
+      return null;
+    }
+    return float;
+  },
+  serialize: v => v.toString(),
+});
+
 const timeRangeQueryStateMap = {
-  from: parseAsFloat,
-  to: parseAsFloat,
+  from: parseAsValidEpochMs,
+  to: parseAsValidEpochMs,
 };
 
 export function useNewTimeQuery({
diff --git a/packages/common-utils/src/core/__tests__/metadata.test.ts b/packages/common-utils/src/core/__tests__/metadata.test.ts
new file mode 100644
index 0000000000..c80a4ca577
--- /dev/null
+++ b/packages/common-utils/src/core/__tests__/metadata.test.ts
@@ -0,0 +1,47 @@
+import { Metadata, MetadataCache } from '@/core/metadata';
+import { isDateRangeValid } from '@/core/utils';
+import type { BaseClickhouseClient } from '@/clickhouse';
+const invalidDate = new Date('not-a-date');
+
+describe('isDateRangeValid', () => {
+  it('accepts valid date ranges', () => {
+    expect(
+      isDateRangeValid([
+        new Date('2026-08-01T00:00:00Z'),
+        new Date('2026-08-02T00:00:00Z'),
+      ]),
+    ).toBe(true);
+  });
+
+  it('rejects a range with an invalid start', () => {
+    expect(isDateRangeValid([invalidDate, new Date()])).toBe(false);
+  });
+
+  it('rejects a range with an invalid end', () => {
+    expect(isDateRangeValid([new Date(), invalidDate])).toBe(false);
+  });
+});
+
+describe('getMapKeys date range guard', () => {
+  it('returns [] and never queries ClickHouse for an invalid date range', async () => {
+    const query = jest
+      .fn()
+      .mockRejectedValue(new Error('should not be called'));
+    const metadata = new Metadata(
+      query as unknown as BaseClickhouseClient,
+      new MetadataCache(),
+    );
+
+    const keys = await metadata.getMapKeys({
+      databaseName: 'db',
+      tableName: 'tbl',
+      column: 'attributes',
+      connectionId: 'conn',
+      metadataMVs: { granularity: 'minute' } as any,
+      dateRange: [invalidDate, invalidDate],
+    });
+
+    expect(keys).toEqual([]);
+    expect(query).not.toHaveBeenCalled();
+  });
+});
diff --git a/packages/common-utils/src/core/metadata.ts b/packages/common-utils/src/core/metadata.ts
index d9e96e35e0..a7fbadc227 100644
--- a/packages/common-utils/src/core/metadata.ts
+++ b/packages/common-utils/src/core/metadata.ts
@@ -45,6 +45,7 @@ import {
 import {
   getAlignedDateRange,
   getDistributedTableArgs,
+  isDateRangeValid,
   MetadataMVQueryOptions,
   objectHash,
   TextIndexColumnQueryOptions,
@@ -662,6 +663,15 @@ export class Metadata {
     signal?: AbortSignal;
   }) {
     inlineNonNegativeInt(maxKeys, 'maxKeys');
+    if (dateRange && !isDateRangeValid(dateRange)) {
+      console.warn(
+        `getMapKeys: skipping metadata queries, dateRange contains an invalid date. ` +
+          `start=${dateRange[0]?.toString()} end=${dateRange[1]?.toString()} ` +
+          `databaseName=${databaseName} tableName=${tableName} column=${column} connectionId=${connectionId}`,
+        new Error('getMapKeys invalid date range').stack,
+      );
+      return [];
+    }
 
     // Align date range to rollup granularity for consistent cache keys
     const alignedDateRange =
@@ -1336,6 +1346,15 @@ export class Metadata {
     maxValuesPerKey: number;
     signal?: AbortSignal;
   }): Promise<KeyValues[] | undefined> {
+      if (!isDateRangeValid(dateRange)) {
+      console.warn(
+        `getMetadataMVKeyValues: skipping rollup query, dateRange contains an invalid date. ` +
+          `start=${dateRange[0]?.toString()} end=${dateRange[1]?.toString()} ` +
+          `databaseName=${databaseName} connectionId=${connectionId}`,
+        new Error('getMetadataMVKeyValues invalid date range').stack,
+      );
+      return undefined;
+    }
     const queryOptionsHash = objectHash(queryOptions);
     const metadataMVsHash = objectHash(metadataMVs ?? {});
     const cacheKey = `${databaseName}.${connectionId}.${dateRange[0].toString()}.${dateRange[1].toString()}.${maxValuesPerKey}.${metadataMVsHash}.${queryOptionsHash}.getMetadataMVKeyValues`;
diff --git a/packages/common-utils/src/core/utils.ts b/packages/common-utils/src/core/utils.ts
index b117dd2661..9c5aba7ce4 100644
--- a/packages/common-utils/src/core/utils.ts
+++ b/packages/common-utils/src/core/utils.ts
@@ -1078,7 +1078,12 @@ export function getAlignedDateRange(
 
   return [alignedStart, alignedEnd];
 }
-
+export function isDateRangeValid(dateRange: [Date, Date]): boolean {
+  return (
+    Number.isFinite(dateRange[0].getTime()) &&
+    Number.isFinite(dateRange[1].getTime())
+  );
+}
 export function isDateRangeEqual(range1: [Date, Date], range2: [Date, Date]) {
   return (
     range1[0].getTime() === range2[0].getTime() &&