diff --git a/changelog/55.improvement.md b/changelog/55.improvement.md
new file mode 100644
index 00000000..74483807
--- /dev/null
+++ b/changelog/55.improvement.md
@@ -0,0 +1 @@
+Used a TCR dataset that has differing times between the child and parent experiments.
diff --git a/data/CMIP6/CMIP/CCCma/CanESM5/1pctCO2/r1i1p1f1/Amon/tas/gn/v20190429/tas_Amon_CanESM5_1pctCO2_r1i1p1f1_gn_185001-198912.nc b/data/CMIP6/CMIP/CCCma/CanESM5/1pctCO2/r1i1p1f1/Amon/tas/gn/v20190429/tas_Amon_CanESM5_1pctCO2_r1i1p1f1_gn_185001-198912.nc
new file mode 100644
index 00000000..e9181f1b
Binary files /dev/null and b/data/CMIP6/CMIP/CCCma/CanESM5/1pctCO2/r1i1p1f1/Amon/tas/gn/v20190429/tas_Amon_CanESM5_1pctCO2_r1i1p1f1_gn_185001-198912.nc differ
diff --git a/data/CMIP6/CMIP/CCCma/CanESM5/1pctCO2/r1i1p1f1/fx/areacella/gn/v20190429/areacella_fx_CanESM5_1pctCO2_r1i1p1f1_gn.nc b/data/CMIP6/CMIP/CCCma/CanESM5/1pctCO2/r1i1p1f1/fx/areacella/gn/v20190429/areacella_fx_CanESM5_1pctCO2_r1i1p1f1_gn.nc
new file mode 100644
index 00000000..ac091f80
Binary files /dev/null and b/data/CMIP6/CMIP/CCCma/CanESM5/1pctCO2/r1i1p1f1/fx/areacella/gn/v20190429/areacella_fx_CanESM5_1pctCO2_r1i1p1f1_gn.nc differ
diff --git a/data/CMIP6/CMIP/CCCma/CanESM5/piControl/r1i1p1f1/Amon/tas/gn/v20190429/tas_Amon_CanESM5_piControl_r1i1p1f1_gn_520101-534012.nc b/data/CMIP6/CMIP/CCCma/CanESM5/piControl/r1i1p1f1/Amon/tas/gn/v20190429/tas_Amon_CanESM5_piControl_r1i1p1f1_gn_520101-534012.nc
new file mode 100644
index 00000000..0c7e84fa
Binary files /dev/null and b/data/CMIP6/CMIP/CCCma/CanESM5/piControl/r1i1p1f1/Amon/tas/gn/v20190429/tas_Amon_CanESM5_piControl_r1i1p1f1_gn_520101-534012.nc differ
diff --git a/data/CMIP6/CMIP/CCCma/CanESM5/piControl/r1i1p1f1/fx/areacella/gn/v20190429/areacella_fx_CanESM5_piControl_r1i1p1f1_gn.nc b/data/CMIP6/CMIP/CCCma/CanESM5/piControl/r1i1p1f1/fx/areacella/gn/v20190429/areacella_fx_CanESM5_piControl_r1i1p1f1_gn.nc
new file mode 100644
index 00000000..db60ee62
Binary files /dev/null and b/data/CMIP6/CMIP/CCCma/CanESM5/piControl/r1i1p1f1/fx/areacella/gn/v20190429/areacella_fx_CanESM5_piControl_r1i1p1f1_gn.nc differ
diff --git a/data/CMIP6/CMIP/CSIRO/ACCESS-ESM1-5/1pctCO2/r1i1p1f1/Amon/tas/gn/v20191115/tas_Amon_ACCESS-ESM1-5_1pctCO2_r1i1p1f1_gn_010101-025012.nc b/data/CMIP6/CMIP/CSIRO/ACCESS-ESM1-5/1pctCO2/r1i1p1f1/Amon/tas/gn/v20191115/tas_Amon_ACCESS-ESM1-5_1pctCO2_r1i1p1f1_gn_015801-025012.nc
similarity index 59%
rename from data/CMIP6/CMIP/CSIRO/ACCESS-ESM1-5/1pctCO2/r1i1p1f1/Amon/tas/gn/v20191115/tas_Amon_ACCESS-ESM1-5_1pctCO2_r1i1p1f1_gn_010101-025012.nc
rename to data/CMIP6/CMIP/CSIRO/ACCESS-ESM1-5/1pctCO2/r1i1p1f1/Amon/tas/gn/v20191115/tas_Amon_ACCESS-ESM1-5_1pctCO2_r1i1p1f1_gn_015801-025012.nc
index 975cc718..ea4d9821 100644
Binary files a/data/CMIP6/CMIP/CSIRO/ACCESS-ESM1-5/1pctCO2/r1i1p1f1/Amon/tas/gn/v20191115/tas_Amon_ACCESS-ESM1-5_1pctCO2_r1i1p1f1_gn_010101-025012.nc and b/data/CMIP6/CMIP/CSIRO/ACCESS-ESM1-5/1pctCO2/r1i1p1f1/Amon/tas/gn/v20191115/tas_Amon_ACCESS-ESM1-5_1pctCO2_r1i1p1f1_gn_015801-025012.nc differ
diff --git a/registry.txt b/registry.txt
index 91518f84..273768b8 100644
--- a/registry.txt
+++ b/registry.txt
@@ -8,11 +8,15 @@ CMIP6/C4MIP/MPI-M/MPI-ESM1-2-LR/esm-1pctCO2/r1i1p1f1/Amon/tas/gn/v20190815/tas_A
 CMIP6/C4MIP/MPI-M/MPI-ESM1-2-LR/esm-1pctCO2/r1i1p1f1/Amon/tas/gn/v20190815/tas_Amon_MPI-ESM1-2-LR_esm-1pctCO2_r1i1p1f1_gn_187001-188912.nc 141a4b1b394844042cee7a172acf3a3d0a03777ba2ba90a0a1e036d92c83c2d3
 CMIP6/C4MIP/MPI-M/MPI-ESM1-2-LR/esm-1pctCO2/r1i1p1f1/Amon/tas/gn/v20190815/tas_Amon_MPI-ESM1-2-LR_esm-1pctCO2_r1i1p1f1_gn_189001-190912.nc 63c83aafc0811c2e357e1dc415e326e116c79163695c508a8531ef166a8501cf
 CMIP6/C4MIP/MPI-M/MPI-ESM1-2-LR/esm-1pctCO2/r1i1p1f1/Amon/tas/gn/v20190815/tas_Amon_MPI-ESM1-2-LR_esm-1pctCO2_r1i1p1f1_gn_191001-191412.nc edf02222dc1724ecf9c52e5a3a14064d16d8e575988e5048bbf04cc71fd3779e
+CMIP6/CMIP/CCCma/CanESM5/1pctCO2/r1i1p1f1/Amon/tas/gn/v20190429/tas_Amon_CanESM5_1pctCO2_r1i1p1f1_gn_185001-198912.nc 9acd7ef49ee16b9f7fe57183086cf42cdca2fb75575577044c3ba853a7576a04
+CMIP6/CMIP/CCCma/CanESM5/1pctCO2/r1i1p1f1/fx/areacella/gn/v20190429/areacella_fx_CanESM5_1pctCO2_r1i1p1f1_gn.nc 2bf2ec7ef50acd5fa607fd51d4b0062d11dd81498d58f69e4673994a3d68789d
 CMIP6/CMIP/CCCma/CanESM5/historical/r1i1p1f1/Amon/tas/gn/v20190429/tas_Amon_CanESM5_historical_r1i1p1f1_gn_197901-201412.nc 94c0be409619619e6576c573371fa4cfa8e7319ce9de86122d737f764f864ca6
 CMIP6/CMIP/CCCma/CanESM5/historical/r1i1p1f1/Ofx/areacello/gn/v20190429/areacello_Ofx_CanESM5_historical_r1i1p1f1_gn.nc e99ff6502a83e0c120e9bbc864b05d6f84768c209be5b52adee1c96a7614490e
 CMIP6/CMIP/CCCma/CanESM5/historical/r1i1p1f1/SImon/siconc/gn/v20190429/siconc_SImon_CanESM5_historical_r1i1p1f1_gn_197901-201412.nc 3c22bdb604cb74503155701a91843c923f7a92d15c2152c20eab8f75c660fc78
 CMIP6/CMIP/CCCma/CanESM5/historical/r1i1p1f1/fx/areacella/gn/v20190429/areacella_fx_CanESM5_historical_r1i1p1f1_gn.nc c52313bfce8b210fab051d6d33b456a5830102bd6298164e947b87938e55debf
-CMIP6/CMIP/CSIRO/ACCESS-ESM1-5/1pctCO2/r1i1p1f1/Amon/tas/gn/v20191115/tas_Amon_ACCESS-ESM1-5_1pctCO2_r1i1p1f1_gn_010101-025012.nc 907f76a9a7ebcea88270253ba612eb88f5d6117e08f34aa26e21ae67fa452287
+CMIP6/CMIP/CCCma/CanESM5/piControl/r1i1p1f1/Amon/tas/gn/v20190429/tas_Amon_CanESM5_piControl_r1i1p1f1_gn_520101-534012.nc 266120ef70faf10704b5f713e8715e6e03eaca03283b4117c5aa67b6e62da256
+CMIP6/CMIP/CCCma/CanESM5/piControl/r1i1p1f1/fx/areacella/gn/v20190429/areacella_fx_CanESM5_piControl_r1i1p1f1_gn.nc f802550df6ab7619bd9aaf386fad1b123e83b0175dc8f8e789744284c8e554b1
+CMIP6/CMIP/CSIRO/ACCESS-ESM1-5/1pctCO2/r1i1p1f1/Amon/tas/gn/v20191115/tas_Amon_ACCESS-ESM1-5_1pctCO2_r1i1p1f1_gn_015801-025012.nc 20992c2597f1384e2772a21c9c31cb945cdea5878c0fc8b78e9c98b213412366
 CMIP6/CMIP/CSIRO/ACCESS-ESM1-5/1pctCO2/r1i1p1f1/fx/areacella/gn/v20191115/areacella_fx_ACCESS-ESM1-5_1pctCO2_r1i1p1f1_gn.nc 9736c903e1ee9f6b57c90c67b2fe1467dcee514acb6bc4f42d70c2d20bd49c8d
 CMIP6/CMIP/CSIRO/ACCESS-ESM1-5/abrupt-4xCO2/r1i1p1f1/Amon/rlut/gn/v20191115/rlut_Amon_ACCESS-ESM1-5_abrupt-4xCO2_r1i1p1f1_gn_010101-025012.nc 82f011561b0097d7e0aec89ebe610631c14356050abb584d01875f167e144a95
 CMIP6/CMIP/CSIRO/ACCESS-ESM1-5/abrupt-4xCO2/r1i1p1f1/Amon/rsdt/gn/v20191115/rsdt_Amon_ACCESS-ESM1-5_abrupt-4xCO2_r1i1p1f1_gn_010101-025012.nc 8ce8652d34a54776a71e9237c67b08c88aa689fcc7e0a727d84f174515724e0c
diff --git a/scripts/fetch_test_data.py b/scripts/fetch_test_data.py
index 16d433e2..c6e18d51 100755
--- a/scripts/fetch_test_data.py
+++ b/scripts/fetch_test_data.py
@@ -333,15 +333,26 @@ def process_sample_data_request(
     ),
     # ESMValTool TCR data
     CMIP6Request(
-        id="esmvaltool-tcr",
+        id="esmvaltool-tcr-1pctco2",
         facets=dict(
-            source_id="ACCESS-ESM1-5",
+            source_id="CanESM5",
+            frequency=["fx", "mon"],
+            variable_id=["areacella", "tas"],
+            experiment_id="1pctCO2",
+        ),
+        remove_ensembles=True,
+        time_span=("1850", "1989"),
+    ),
+    CMIP6Request(
+        id="esmvaltool-tcr-piControl",
+        facets=dict(
+            source_id="CanESM5",
             frequency=["fx", "mon"],
             variable_id=["areacella", "tas"],
-            experiment_id=["1pctCO2", "piControl"],
+            experiment_id="piControl",
         ),
         remove_ensembles=True,
-        time_span=("0101", "0180"),
+        time_span=("5201", "5340"),
     ),
     # ESMValTool TCRE data
     CMIP6Request(