diff --git a/src/components/Season/SeasonView.tsx b/src/components/Season/SeasonView.tsx
index 4a3944b2fc8e2f889bf5355d399d3f82366df12b..2ba6bc821cb152b99a1fc73cdf99bb41ffcd7b24 100644
--- a/src/components/Season/SeasonView.tsx
+++ b/src/components/Season/SeasonView.tsx
@@ -9,7 +9,7 @@ import RightArrowIcon from 'assets/icons/ico/right-arrow.svg'
 import './season.scss'
 
 import { UserSeason } from 'models'
-import { userSeasonMock } from '../../../test/__mocks__/userSeasonData.mock'
+import { userSeasonData } from '../../../test/__mocks__/userSeasonData.mock'
 import { useSelector } from 'react-redux'
 import { EcolyoState } from 'store'
 
@@ -29,7 +29,7 @@ const SeasonView: React.FC = () => {
   }
 
   const [userSeasonLists, setUserSeasonList] = useState<UserSeason[]>(
-    userSeasonMock
+    userSeasonData
   )
   const resetValues = () => {
     //Method used to cancel a swipe on a simple click
diff --git a/src/db/seasons/bossEntity.json b/src/db/seasons/bossEntity.json
index f56009d0681baeeed1858f3fda24da3f748d709c..ca3c79918b6197c5543463ddd97cdabeaa5c2c5a 100644
--- a/src/db/seasons/bossEntity.json
+++ b/src/db/seasons/bossEntity.json
@@ -6,4 +6,4 @@
     "duration": { "days": 7 },
     "treshold": 40
   }
-]
\ No newline at end of file
+]
diff --git a/src/db/seasons/seasonEntity.json b/src/db/seasons/seasonEntity.json
index e4be2647ad958d9d4f721a6c5b9a7c9ca3242743..c8cc651684947e0a692c9ad1c260521d9fd816d6 100644
--- a/src/db/seasons/seasonEntity.json
+++ b/src/db/seasons/seasonEntity.json
@@ -6,9 +6,9 @@
     "duration": { "days": 3 },
     "target": 40,
     "relationships": {
-      "boss": [
-        { "_id": "BO001", "_type": "com.grandlyon.ecolyo.boss" }
-      ]
+      "boss": {
+        "data": { "_id": "BO001", "_type": "com.grandlyon.ecolyo.boss" }
+      }
     },
     "quizType": "Culture Générale"
   },
@@ -19,9 +19,9 @@
     "duration": { "days": 3 },
     "target": 40,
     "relationships": {
-      "boss": [
-        { "_id": "BO002", "_type": "com.grandlyon.ecolyo.boss" }
-      ]
+      "boss": {
+        "data": { "_id": "BO002", "_type": "com.grandlyon.ecolyo.boss" }
+      }
     },
     "quizType": "Culture Générale"
   },
@@ -32,9 +32,9 @@
     "duration": { "days": 3 },
     "target": 40,
     "relationships": {
-      "boss": [
-        { "_id": "BO003", "_type": "com.grandlyon.ecolyo.boss" }
-      ]
+      "boss": {
+        "data": { "_id": "BO003", "_type": "com.grandlyon.ecolyo.boss" }
+      }
     },
     "quizType": "Culture Générale"
   }
diff --git a/src/doctypes/index.ts b/src/doctypes/index.ts
index b5ad51b8d6bbeeda13d27835d034ed75bcbbbf9c..f5c3fd47e1841215bed2021ba301f4f1a1394940 100644
--- a/src/doctypes/index.ts
+++ b/src/doctypes/index.ts
@@ -58,7 +58,12 @@ const doctypes = {
   season: {
     doctype: SEASON_DOCTYPE,
     attributes: {},
-    relationships: {},
+    relationships: {
+      boss: {
+        doctype: BOSS_DOCTYPE,
+        type: 'has-one',
+      },
+    },
   },
   userseason: {
     doctype: USERSEASON_DOCTYPE,
diff --git a/src/services/boss.service.ts b/src/services/boss.service.ts
index 98e55e718b48ef6d8d7b55d6d42f954b22f8bb00..1d31b4b1e516744c05e4bfea719cc78380e52c0c 100644
--- a/src/services/boss.service.ts
+++ b/src/services/boss.service.ts
@@ -17,6 +17,15 @@ export default class BossService {
     }: QueryResult<BossEntity[]> = await this._client.query(query)
     return bosses
   }
+  public async getBossEntityById(bossId: string): Promise<BossEntity> {
+    const query: QueryDefinition = Q(BOSS_DOCTYPE)
+    const {
+      data: [boss],
+    }: QueryResult<BossEntity> = await this._client.query(
+      query.where({ _id: bossId })
+    )
+    return boss
+  }
 
   public async deleteAllBossEntities(): Promise<boolean> {
     try {
@@ -41,6 +50,8 @@ export default class BossService {
   }
 
   public formatToUserBoss(boss: BossEntity): Boss {
+    console.log('boss', boss)
+
     const userBoss: Boss = {
       id: boss.id,
       title: boss.title,
diff --git a/src/services/season.service.ts b/src/services/season.service.ts
index 64289d4d0bbf097ddd95e65a224d3d7c4f135cf2..9b4969ff46c51b84ac8b95cff3a924eb0e810fb9 100644
--- a/src/services/season.service.ts
+++ b/src/services/season.service.ts
@@ -2,10 +2,17 @@ import { Client, QueryDefinition, QueryResult, Q } from 'cozy-client'
 import { SEASON_DOCTYPE, USERSEASON_DOCTYPE } from 'doctypes'
 import { SeasonEntity, UserSeason } from 'models/season.model'
 import { Boss, BossEntity } from 'models/boss.model'
+import get from 'lodash/get'
+
 import { UserSeasonState, UserSeasonSuccess } from 'enum/userSeason.enum'
 import BossService from './boss.service'
 import { UpdateUserSeason } from 'enum/updateUserSeason.enum'
 
+export interface Relation {
+  _id: string
+  _type: string
+}
+
 export default class SeasonService {
   private readonly _client: Client
 
@@ -22,17 +29,28 @@ export default class SeasonService {
     return userSeasons
   }
 
-  public formatToUserSeason(season: SeasonEntity): UserSeason {
-    const bossService = new BossService(this._client)
+  /**
+   * Get one relation in doc
+   *
+   * @param {object} doc - DocumentEntity
+   * @param {string} relName - Name of the relation
+   */
+  public getRelationship<D>(doc: D, relName: string): Relation {
+    return get(doc, `relationships.${relName}[0]`, [])
+  }
+
+  public formatToUserSeason(season: SeasonEntity, boss: Boss): UserSeason {
+    // const bossService = new BossService(this._client)
+    // const seasonBoss: Relation = this.getRelationship(season, 'boss')
+    // const bossEntity = await bossService.getBossEntityById(seasonBoss._id)
 
-    const userBoss: Boss = bossService.formatToUserBoss(season.boss)
     const userSeason: UserSeason = {
       id: season.id,
       title: season.title,
       description: season.description,
       duration: season.duration,
       target: season.target,
-      boss: userBoss,
+      boss: boss,
       state: UserSeasonState.LOCKED,
       progress: 0,
       success: UserSeasonSuccess.ONGOING,
@@ -40,6 +58,8 @@ export default class SeasonService {
       endingDate: null,
       quiz: null,
     }
+    console.log('userSeason', userSeason)
+
     return userSeason
   }
 
@@ -50,22 +70,40 @@ export default class SeasonService {
      * else Push new UserSeason into list
      * return UserSeason List
      */
+    const bossService = new BossService(this._client)
+    console.log('include')
     const querySeasonEntity: QueryDefinition = Q(SEASON_DOCTYPE)
-    const {
-      data: seasonEntity,
-    }: QueryResult<SeasonEntity[]> = await this._client.query(querySeasonEntity)
-
+      .where({})
+      .include(['boss'])
+    console.log('include2')
+    // const {
+    //   data: seasonEntity,
+    // }: QueryResult<SeasonEntity[]> = await this._client.query(querySeasonEntity)
+    const result = await this._client.query(querySeasonEntity)
+    console.log('result', result)
+    console.log('include3')
     const queryUserSeason: QueryDefinition = Q(USERSEASON_DOCTYPE)
     const {
       data: userSeason,
     }: QueryResult<UserSeason[]> = await this._client.query(queryUserSeason)
 
+    console.log('seasonEntity', seasonEntity)
+    console.log('relationships', relationships)
     let buildList: UserSeason[] = []
+
     if (seasonEntity.length > 0 && userSeason.length === 0) {
-      seasonEntity.forEach(season => {
-        buildList.push(this.formatToUserSeason(season))
+      seasonEntity.forEach(async season => {
+        console.log('season', season)
+
+        // const seasonBoss: Relation = this.getRelationship(season, 'boss')
+        // const bossEntity = await bossService.getBossEntityById(seasonBoss._id)
+
+        // console.log('bossEntity', bossEntity)
+        // const userBoss: Boss = bossService.formatToUserBoss(bossEntity)
+        // buildList.push(this.formatToUserSeason(season, userBoss))
       })
       buildList = this.isAllSeasonLocked(buildList)
+      console.log('buildList', buildList)
       return buildList
     }
     if (userSeason.length !== 0 && seasonEntity.length !== 0) {
@@ -77,10 +115,11 @@ export default class SeasonService {
           }
         } else {
           // format seasonEntity to fit userSeason array
-          buildList.push(this.formatToUserSeason(season))
+          // buildList.push(this.formatToUserSeason(season))
         }
       })
       buildList = this.isAllSeasonLocked(buildList)
+
       return buildList
     }
     return buildList